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Natural satellite

Index Natural satellite

A natural satellite or moon is, in the most common usage, an astronomical body that orbits a planet or minor planet (or sometimes another small Solar System body). [1]

218 relations: Actaea (moon), Adrastea (moon), Albiorix (moon), Amalthea (moon), Ananke (moon), Ariel (moon), Asteroid, Asteroid belt, Astronomical object, Atlas (moon), Barycenter, Belinda (moon), Bianca (moon), Caliban (moon), Callisto (moon), Calypso (moon), Carme (moon), Cassini–Huygens, Ceres (dwarf planet), Charon (moon), Co-orbital configuration, Cordelia (moon), Cressida (moon), Cryovolcano, Cupid (moon), De revolutionibus orbium coelestium, Deimos (moon), Desdemona (moon), Despina (moon), Diameter, Dione (moon), Double planet, Dwarf planet, Dysnomia (moon), Earth, Elara (moon), Ellipsoid, Enceladus, Epimetheus (moon), Equatorial ridge on Iapetus, Eris (dwarf planet), Erriapus, Europa (moon), Exomoon, Ferdinand (moon), Francisco (moon), Galatea (moon), Galilean moons, Galileo Galilei, Ganymede (moon), ..., Geyser, Giant planet, Giant-impact hypothesis, Habitability of natural satellites, Halimede (moon), Haumea, Helene (moon), Himalia (moon), Hydra (moon), Hydrostatic equilibrium, Hyperion (moon), Iapetus (moon), Ijiraq (moon), Inner moon, International Astronomical Union, Io (moon), Irregular moon, Janus (moon), Johannes Kepler, Juliet (moon), Jupiter, Jupiter trojan, Kerberos (moon), Kiviuq (moon), Lagrangian point, Lakes of Titan, Laomedeia, Larissa (moon), Latin, Leda (moon), Linus (moon), List of exceptional asteroids, List of Mars-crossing minor planets, List of natural satellites, List of possible dwarf planets, Lysithea (moon), Mab (moon), Makemake, Margaret (moon), Mars, Mass, Mercury (planet), Methone (moon), Metis (moon), Mimas (moon), Minor planet, Minor-planet moon, Miranda (moon), Moon, Moonlet, Moons of Haumea, Moons of Jupiter, Moons of Mars, Moons of Neptune, Moons of Pluto, Moons of Saturn, Moons of Uranus, Naiad (moon), Naming of moons, Near-Earth object, Neptune, Nereid (moon), Neso (moon), Nicolaus Copernicus, Nix (moon), Oberon (moon), Ophelia (moon), Orbit, Orbital eccentricity, Orbital inclination, Orbital resonance, Oval, Paaliaq, Pan (moon), Pandora (moon), Pasiphae (moon), Perdita (moon), Petit-Prince (moon), Phobos (moon), Phoebe (moon), Planet, Planetary differentiation, Pluto, Polydeuces (moon), Portia (moon), Primordial nuclide, Prometheus (moon), Prospero (moon), Proteus (moon), Protoplanetary disk, Psamathe (moon), Puck (moon), Quasi-satellite, Radioactive decay, Radionuclide, Regular moon, Remus (moon), Retrograde and prograde motion, Rhea (moon), Rings of Rhea, Rings of Saturn, Romulus (moon), Rosalind (moon), S/2004 N 1, Sao (moon), Satellite system (astronomy), Saturn, Setebos (moon), Shepherd moon, Siarnaq, Sinope (moon), Small Solar System body, Solar System, Sputnik 1, Stephano (moon), Styx (moon), Subsatellite, Sycorax (moon), Tarvos (moon), Tectonics, Telesto (moon), Temporary satellite, Tethys (moon), Thalassa (moon), Thebe (moon), Tidal circularization, Timeline of discovery of Solar System planets and their moons, Titan (moon), Titania (moon), Trans-Neptunian object, Trinculo (moon), Triton (moon), Trojan (astronomy), Tug of war (astronomy), Umbriel (moon), Uranus, Venus, Wired (magazine), Ymir (moon), (82075) 2000 YW134, 10 Hygiea, 1036 Ganymed, 107 Camilla, 120347 Salacia, 121 Hermione, 1313 Berna, 15760 Albion, 2 Pallas, 243 Ida, 253 Mathilde, 283 Emma, 3 Juno, 4 Vesta, 42355 Typhon, 433 Eros, 5 Astraea, 50000 Quaoar, 58534 Logos, 617 Patroclus, 624 Hektor, 65489 Ceto, 704 Interamnia, 762 Pulcova, 79360 Sila–Nunam, 87 Sylvia, 90 Antiope, 90377 Sedna, 90482 Orcus. Expand index (168 more) »

Actaea (moon)

Actaea, officially (120347) Salacia I Actaea, is the single known natural satellite of the classical Kuiper belt object 120347 Salacia.

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Adrastea (moon)

Adrastea (Αδράστεια), also known as, is the second by distance, and the smallest of the four inner moons of Jupiter.

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Albiorix (moon)

Albiorix is a prograde irregular satellite of Saturn.

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Amalthea (moon)

Amalthea (Ἀμάλθεια) is the third moon of Jupiter in order of distance from the planet.

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Ananke (moon)

Ananke (Ανάγκη) is a retrograde irregular moon of Jupiter.

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Ariel (moon)

Ariel is the fourth-largest of the 27 known moons of Uranus.

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Asteroid

Asteroids are minor planets, especially those of the inner Solar System.

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Asteroid belt

The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.

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Astronomical object

An astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe.

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Atlas (moon)

Atlas is an inner satellite of Saturn.

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Barycenter

The barycenter (or barycentre; from the Ancient Greek βαρύς heavy + κέντρον centre) is the center of mass of two or more bodies that are orbiting each other, which is the point around which they both orbit.

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Belinda (moon)

Belinda is an inner satellite of the planet Uranus.

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Bianca (moon)

Bianca is an inner satellite of Uranus.

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Caliban (moon)

Caliban is the second-largest retrograde irregular satellite of Uranus.

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Callisto (moon)

Callisto (Jupiter IV) is the second-largest moon of Jupiter, after Ganymede.

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Calypso (moon)

Calypso (Καλυψώ) is a moon of Saturn.

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Carme (moon)

Carme (Κάρμη) is a retrograde irregular satellite of Jupiter.

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Cassini–Huygens

The Cassini–Huygens mission, commonly called Cassini, was a collaboration between NASA, the European Space Agency (ESA), and the Italian Space Agency (ASI) to send a probe to study the planet Saturn and its system, including its rings and natural satellites.

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Ceres (dwarf planet)

Ceres (minor-planet designation: 1 Ceres) is the largest object in the asteroid belt that lies between the orbits of Mars and Jupiter, slightly closer to Mars' orbit.

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Charon (moon)

Charon, also known as (134340) Pluto I, is the largest of the five known natural satellites of the dwarf planet Pluto.

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Co-orbital configuration

In astronomy, a co-orbital configuration is a configuration of two or more astronomical objects (such as asteroids, moons, or planets) orbiting at the same, or very similar, distance from their primary, i.e. they are in a 1:1 mean-motion resonance.

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Cordelia (moon)

Cordelia is the innermost known moon of Uranus.

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Cressida (moon)

Cressida (Χρησίδα) is an inner satellite of Uranus.

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Cryovolcano

A cryovolcano (sometimes informally called an ice volcano) is a type of volcano that erupts volatiles such as water, ammonia or methane, instead of molten rock.

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Cupid (moon)

Cupid is an inner satellite of Uranus.

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De revolutionibus orbium coelestium

De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus (1473–1543).

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Deimos (moon)

Deimos (systematic designation: Mars II) is the smaller and outer of the two natural satellites of the planet Mars, the other being Phobos.

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Desdemona (moon)

Desdemona is an inner satellite of Uranus.

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Despina (moon)

Despina (or; Latin: Despœna; Greek: Δέσποινα), also known as Neptune V, is the third-closest inner satellite of Neptune.

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Diameter

In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

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Dione (moon)

Dione (Διώνη) is a moon of Saturn.

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Double planet

In astronomy, a double planet (also binary planet) is a binary system where both objects are of planetary mass.

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Dwarf planet

A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite.

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Dysnomia (moon)

Dysnomia (Greek: Δυσνομία)—officially (136199) Eris I Dysnomia—is the only known moon of the dwarf planet Eris (the most massive known dwarf planet in the Solar System).

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Elara (moon)

Elara (Ελάρα) is a prograde irregular satellite of Jupiter.

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Ellipsoid

An ellipsoid is a surface that may be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation.

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Enceladus

Enceladus is the sixth-largest moon of Saturn.

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Epimetheus (moon)

Epimetheus is an inner satellite of Saturn.

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Equatorial ridge on Iapetus

Saturn's moon Iapetus has a long, 20-kilometer-high ridge running along most of its equator.

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Eris (dwarf planet)

Eris (minor-planet designation 136199 Eris) is the most massive and second-largest (by volume) dwarf planet in the known Solar System.

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Erriapus

Erriapus (Latin: Erriapus, Erriappus), also Saturn XXVIII (28), is a prograde irregular satellite of Saturn.

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Europa (moon)

Europa or as Ευρώπη (Jupiter II) is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet.

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Exomoon

An exomoon or extrasolar moon is a natural satellite that orbits an exoplanet or other non-stellar extrasolar body.

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Ferdinand (moon)

Ferdinand is the outermost retrograde irregular satellite of Uranus.

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Francisco (moon)

Francisco is the innermost irregular satellite of Uranus.

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Galatea (moon)

Galatea (Greek: Γαλάτεια), also known as Neptune VI, is the fourth-closest inner satellite of Neptune.

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Galilean moons

The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto.

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Galileo Galilei

Galileo Galilei (15 February 1564Drake (1978, p. 1). The date of Galileo's birth is given according to the Julian calendar, which was then in force throughout Christendom. In 1582 it was replaced in Italy and several other Catholic countries with the Gregorian calendar. Unless otherwise indicated, dates in this article are given according to the Gregorian calendar. – 8 January 1642) was an Italian polymath.

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Ganymede (moon)

Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System.

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Geyser

A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by steam.

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Giant planet

A giant planet is any massive planet.

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Giant-impact hypothesis

The giant-impact hypothesis, sometimes called the Big Splash, or the Theia Impact suggests that the Moon formed out of the debris left over from a collision between Earth and an astronomical body the size of Mars, approximately 4.5 billion years ago, in the Hadean eon; about 20 to 100 million years after the solar system coalesced.

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Habitability of natural satellites

The habitability of natural satellites is a measure of the potential of natural satellites to have environments hospitable to life.

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Halimede (moon)

Halimede (Greek: Αλιμήδη), or Neptune IX, is a retrograde irregular satellite of Neptune.

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Haumea

Haumea, minor-planet designation 136108 Haumea, is a dwarf planet located beyond Neptune's orbit.

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Helene (moon)

Helene (Ἑλένη) is a moon of Saturn.

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Himalia (moon)

Himalia is the largest irregular satellite of Jupiter.

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Hydra (moon)

Hydra is the outermost known moon of Pluto.

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Hydrostatic equilibrium

In fluid mechanics, a fluid is said to be in hydrostatic equilibrium or hydrostatic balance when it is at rest, or when the flow velocity at each point is constant over time.

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Hyperion (moon)

Hyperion (Greek: Ὑπερίων), also known as Saturn VII (7), is a moon of Saturn discovered by William Cranch Bond, George Phillips Bond and William Lassell in 1848.

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Iapetus (moon)

Iapetus (Ιαπετός), or occasionally Japetus, is the third-largest natural satellite of Saturn, eleventh-largest in the Solar System, and the largest body in the Solar System known not to be in hydrostatic equilibrium.

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Ijiraq (moon)

Ijiraq, or Saturn XXII (22), is a small prograde irregular satellite of Saturn.

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Inner moon

In astronomy, an inner moon or inner natural satellite is a natural satellite following a prograde, low-inclination orbit inwards of the large satellites of the parent planet.

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International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

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Io (moon)

Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.

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Irregular moon

In astronomy, an irregular moon, irregular satellite or irregular natural satellite is a natural satellite following a distant, inclined, and often eccentric and retrograde orbit.

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Janus (moon)

Janus is an inner satellite of Saturn.

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Johannes Kepler

Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer.

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Juliet (moon)

Juliet is an inner satellite of Uranus.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Jupiter trojan

The Jupiter trojans, commonly called Trojan asteroids or just Trojans, are a large group of asteroids that share the planet Jupiter's orbit around the Sun.

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Kerberos (moon)

Kerberos is a small natural satellite of Pluto, about in its longest dimension.

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Kiviuq (moon)

Kiviuq is a prograde irregular satellite of Saturn.

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Lagrangian point

In celestial mechanics, the Lagrangian points (also Lagrange points, L-points, or libration points) are positions in an orbital configuration of two large bodies, wherein a small object, affected only by the gravitational forces from the two larger objects, will maintain its position relative to them.

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Lakes of Titan

The lakes of Titan, Saturn's largest moon, are bodies of liquid ethane and methane that have been detected by the Cassini–Huygens space probe, and had been suspected long before.

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Laomedeia

Laomedeia (or; Greek: Λαομήδεια), also known as Neptune XII, is a prograde irregular satellite of Neptune.

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Larissa (moon)

Larissa (Greek: Λάρισσα), also known as Neptune VII, is the fifth-closest inner satellite of Neptune.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Leda (moon)

Leda (Λήδα), also known as, is a prograde irregular satellite of Jupiter.

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Linus (moon)

(22) Kalliope I Linus is an asteroid moon that orbits the large M-type asteroid 22 Kalliope.

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List of exceptional asteroids

The following is a collection of lists of exceptional asteroids in the Solar System.

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List of Mars-crossing minor planets

A Mars-crossing asteroid (MCA, also Mars-crosser, MC) is an asteroid whose orbit crosses that of Mars.

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List of natural satellites

The Solar System's planets and officially recognized dwarf planets are known to be orbited by 184 natural satellites, or moons.

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List of possible dwarf planets

It is estimated that there may be 200 dwarf planets in the Kuiper belt of the outer Solar System and possibly more than 10,000 in the region beyond.

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Lysithea (moon)

Lysithea (Λυσιθέα) is a prograde irregular satellite of Jupiter.

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Mab (moon)

Mab, or Uranus XXVI (26), is an inner satellite of Uranus.

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Makemake

Makemake (minor-planet designation 136472 Makemake) is a dwarf planet and perhaps the largest Kuiper belt object in the classical population, with a diameter approximately two thirds that of Pluto.

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Margaret (moon)

Margaret is the only prograde irregular satellite of Uranus.

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Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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Mercury (planet)

Mercury is the smallest and innermost planet in the Solar System.

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Methone (moon)

Methone is a very small natural satellite of Saturn orbiting between the orbits of Mimas and Enceladus.

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Metis (moon)

Metis (Μήτις), also known as, is the innermost moon of Jupiter.

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Mimas (moon)

Mimas, also designated Saturn I, is a moon of Saturn which was discovered in 1789 by William Herschel.

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Minor planet

A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.

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Minor-planet moon

A minor-planet moon is an astronomical object that orbits a minor planet as its natural satellite.

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Miranda (moon)

Miranda, also designated Uranus V, is the smallest and innermost of Uranus's five round satellites.

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Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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Moonlet

A moonlet, minor moon, minor natural satellite or minor satellite is a particularly small natural satellite orbiting a planet, dwarf planet or other minor planet.

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Moons of Haumea

The outer Solar System dwarf planet Haumea has two known moons, Hiʻiaka and Namaka, named after Hawaiian goddesses.

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Moons of Jupiter

There are 69 known moons of Jupiter.

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Moons of Mars

The two moons of Mars are Phobos and Deimos.

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Moons of Neptune

Neptune has 14 known moons, which are named for minor water deities in Greek mythology.

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Moons of Pluto

The dwarf planet Pluto has five moons down to a detection limit of about 1 km in diameter.

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Moons of Saturn

The moons of Saturn are numerous and diverse, ranging from tiny moonlets less than 1 kilometer across to the enormous Titan, which is larger than the planet Mercury.

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Moons of Uranus

Uranus is the seventh planet of the Solar System; it has 27 known moons, all of which are named after characters from the works of William Shakespeare and Alexander Pope.

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Naiad (moon)

Naiad (or; Ναϊάδ-ες), also known as Neptune III, is the innermost satellite of Neptune, named after the Naiads of Greek legend.

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Naming of moons

The naming of moons has been the responsibility of the International Astronomical Union's committee for Planetary System Nomenclature since 1973.

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Near-Earth object

A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.

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Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System.

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Nereid (moon)

Nereid is the third-largest moon of Neptune.

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Neso (moon)

Neso (Greek: Νησώ), also known as Neptune XIII, is the outermost natural satellite of Neptune.

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Nicolaus Copernicus

Nicolaus Copernicus (Mikołaj Kopernik; Nikolaus Kopernikus; Niklas Koppernigk; 19 February 1473 – 24 May 1543) was a Renaissance-era mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe, likely independently of Aristarchus of Samos, who had formulated such a model some eighteen centuries earlier.

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Nix (moon)

Nix is a natural satellite of Pluto.

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Oberon (moon)

Oberon, also designated, is the outermost major moon of the planet Uranus.

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Ophelia (moon)

Ophelia is a moon of Uranus.

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Orbit

In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.

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Orbital eccentricity

The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.

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Orbital inclination

Orbital inclination measures the tilt of an object's orbit around a celestial body.

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Orbital resonance

In celestial mechanics, an orbital resonance occurs when orbiting bodies exert a regular, periodic gravitational influence on each other, usually because their orbital periods are related by a ratio of small integers.

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Oval

An oval (from Latin ovum, "egg") is a closed curve in a plane which "loosely" resembles the outline of an egg.

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Paaliaq

Paaliaq is a prograde irregular satellite of Saturn.

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Pan (moon)

Pan (Πάν) is the innermost moon of Saturn.

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Pandora (moon)

Pandora (Πανδώρα) is an inner satellite of Saturn.

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Pasiphae (moon)

Pasiphae (Πασιφάη; formerly Pasiphaë) is a retrograde irregular satellite of Jupiter.

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Perdita (moon)

Perdita is an inner satellite of Uranus.

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Petit-Prince (moon)

(45) Eugenia I Petit-Prince is the larger, outer moon of asteroid 45 Eugenia.

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Phobos (moon)

Phobos (systematic designation) is the innermost and larger of the two natural satellites of Mars, the other being Deimos.

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Phoebe (moon)

Phoebe (Greek: Φοίβη Phoíbē) is an irregular satellite of Saturn with a mean diameter of 213 km.

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Planet

A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

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Planetary differentiation

In planetary science, planetary differentiation is the process of separating out different constituents of a planetary body as a consequence of their physical or chemical behaviour, where the body develops into compositionally distinct layers; the denser materials of a planet sink to the center, while less dense materials rise to the surface, generally in a magma ocean.

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Pluto

Pluto (minor planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune.

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Polydeuces (moon)

Polydeuces, or Saturn XXXIV (34), is a small natural satellite of Saturn that is co-orbital with the moon Dione and librates around its trailing Lagrangian point.

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Portia (moon)

Portia is an inner satellite of Uranus.

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Primordial nuclide

In geochemistry, geophysics and geonuclear physics, primordial nuclides, also known as primordial isotopes, are nuclides found on Earth that have existed in their current form since before Earth was formed.

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Prometheus (moon)

Prometheus is an inner satellite of Saturn.

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Prospero (moon)

Prospero is a relatively small retrograde irregular satellite of Uranus discovered on 18 July 1999 by the astrophysicist Matthew Holman and his team, and given the provisional designation S/1999 U 3.

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Proteus (moon)

Proteus (Greek: Πρωτεύς), also known as Neptune VIII, is the second-largest Neptunian moon, and Neptune's largest inner satellite.

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Protoplanetary disk

A protoplanetary disk is a rotating circumstellar disk of dense gas and dust surrounding a young newly formed star, a T Tauri star, or Herbig Ae/Be star.

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Psamathe (moon)

Psamathe (Latin: Psamathē; Greek: Ψαμάθη), also known as Neptune X, is a retrograde irregular satellite of Neptune.

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Puck (moon)

Puck is an inner moon of Uranus.

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Quasi-satellite

A quasi-satellite is an object in a specific type of co-orbital configuration (1:1 orbital resonance) with a planet where the object stays close to that planet over many orbital periods.

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Radioactive decay

Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.

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Radionuclide

A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.

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Regular moon

In astronomy, a regular moon is a natural satellite following a relatively close and prograde orbit with little orbital inclination or eccentricity.

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Remus (moon)

Remus is the inner and smaller moon of the main-belt asteroid 87 Sylvia.

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Retrograde and prograde motion

Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is the central object (right figure).

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Rhea (moon)

Rhea (Ῥέᾱ) is the second-largest moon of Saturn and the ninth-largest moon in the Solar System.

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Rings of Rhea

The Saturnian moon Rhea may have a tenuous ring system consisting of three narrow, relatively dense bands within a particulate disk.

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Rings of Saturn

The rings of Saturn are the most extensive ring system of any planet in the Solar System.

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Romulus (moon)

Romulus is the outer and larger moon of the main-belt asteroid 87 Sylvia, not to be confused with the directly Sun-orbiting asteroid 10386 Romulus.

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Rosalind (moon)

Rosalind is an inner satellite of Uranus.

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S/2004 N 1

S/2004 N 1 is a small moon of Neptune, about in diameter, which orbits the planet in just under one Earth day.

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Sao (moon)

Sao (Greek: Σαώ) is a prograde irregular satellite of Neptune.

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Satellite system (astronomy)

A satellite system is a set of gravitationally bound objects in orbit around a planetary mass object or minor planet.

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Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

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Setebos (moon)

Setebos is one of the outermost retrograde irregular satellites of Uranus.

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Shepherd moon

A shepherd moon (also herder moon, watcher moon) is a small natural satellite that clears a gap in planetary-ring material or keeps particles within a ring contained.

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Siarnaq

Siarnaq, or Saturn XXIX, is a prograde irregular satellite of Saturn.

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Sinope (moon)

Sinope (Σινώπη) is a retrograde irregular satellite of Jupiter discovered by Seth Barnes Nicholson at Lick Observatory in 1914, and is named after Sinope of Greek mythology.

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Small Solar System body

A small Solar System body (SSSB) is an object in the Solar System that is neither a planet, nor a dwarf planet, nor a natural satellite.

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Solar System

The Solar SystemCapitalization of the name varies.

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Sputnik 1

Sputnik 1 (or; "Satellite-1", or "PS-1", Простейший Спутник-1 or Prosteyshiy Sputnik-1, "Elementary Satellite 1") was the first artificial Earth satellite.

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Stephano (moon)

Stephano is a retrograde irregular satellite of Uranus.

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Styx (moon)

Styx is a small natural satellite of Pluto whose discovery was announced on 11 July 2012.

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Subsatellite

Subsatellite is a natural satellite (or an artificial satellite) that orbits a natural satellite, i.e. a "moon of a moon".

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Sycorax (moon)

Sycorax is the largest retrograde irregular satellite of Uranus.

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Tarvos (moon)

Tarvos, or Saturn XXI, is a prograde irregular satellite of Saturn.

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Tectonics

Tectonics is the process that controls the structure and properties of the Earth's crust and its evolution through time.

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Telesto (moon)

Telesto (Τελεστώ) is a moon of Saturn.

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Temporary satellite

A temporary satellite is an asteroid which has been captured by the gravitational field of a planet and thus became the planet's natural satellite, but, unlike irregular moons of the larger outer planets of the Solar System, will later leave its orbit around the planet.

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Tethys (moon)

Tethys (or Saturn III) is a mid-sized moon of Saturn about across.

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Thalassa (moon)

Thalassa (Greek: Θάλασσα), also known as Neptune IV, is the second-innermost satellite of Neptune.

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Thebe (moon)

Thebe (Θήβη) also known as, is the fourth of Jupiter's moons by distance from the planet.

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Tidal circularization

Tidal circularization is an effect of the tidal forces between an orbiting body, and the primary object that it orbits whereby the eccentricity of the orbit is reduced over time so that the orbit becomes less elliptical and more circular.

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Timeline of discovery of Solar System planets and their moons

The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history.

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Titan (moon)

Titan is the largest moon of Saturn.

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Titania (moon)

No description.

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Trans-Neptunian object

A trans-Neptunian object (TNO, also written transneptunian object) is any minor planet in the Solar System that orbits the Sun at a greater average distance (semi-major axis) than Neptune, 30 astronomical units (AU).

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Trinculo (moon)

Trinculo is a retrograde irregular satellite of Uranus.

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Triton (moon)

Triton is the largest natural satellite of the planet Neptune, and the first Neptunian moon to be discovered.

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Trojan (astronomy)

In astronomy, a trojan is a minor planet or moon that shares the orbit of a planet or larger moon, wherein the trojan remains in the same, stable position relative to the larger object.

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Tug of war (astronomy)

The tug of war in astronomy is the ratio of planetary and solar attractions on a natural satellite.

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Umbriel (moon)

Umbriel is a moon of Uranus discovered on October 24, 1851, by William Lassell.

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Uranus

Uranus is the seventh planet from the Sun.

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Venus

Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.

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Wired (magazine)

Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.

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Ymir (moon)

Ymir, or Saturn XIX, is a retrograde irregular moon of Saturn.

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(82075) 2000 YW134

, provisionally known as 2000 YW134, is a binary trans-Neptunian object (TNO).

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10 Hygiea

10 Hygiea is the fourth-largest asteroid in the Solar System by volume and mass, and it is located in the asteroid belt.

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1036 Ganymed

1036 Ganymed is the largest near-Earth asteroid, at approximately 33 kilometers in diameter.

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107 Camilla

107 Camilla is one of the largest main-belt asteroids.

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120347 Salacia

120347 Salacia, provisional designation, is a trans-Neptunian object in the Kuiper belt, approximately 850 kilometers in diameter and almost certainly a dwarf planet.

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121 Hermione

121 Hermione is a very large asteroid discovered in 1872.

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1313 Berna

1313 Berna, provisional designation, is a binary Eunomian asteroid from the middle region of the asteroid belt, approximately 15 kilometers in diameter.

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15760 Albion

15760 Albion, provisional designation, was the first trans-Neptunian object to be discovered after Pluto and Charon.

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2 Pallas

Pallas, minor-planet designation 2 Pallas, is the second asteroid to have been discovered (after Ceres), and is one of the largest asteroids in the Solar System.

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243 Ida

243 Ida is an asteroid in the Koronis family of the asteroid belt.

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253 Mathilde

253 Mathilde is an asteroid in the intermediate asteroid belt, approximately 50 kilometers in diameter, that was discovered by Austrian astronomer Johann Palisa at Vienna Observatory on 12 November 1885.

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283 Emma

283 Emma is a large asteroid of the asteroid belt.

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3 Juno

Juno, minor-planet designation 3 Juno in the Minor Planet Center catalogue system, is an asteroid in the asteroid belt.

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4 Vesta

Vesta, minor-planet designation 4 Vesta, is one of the largest objects in the asteroid belt, with a mean diameter of.

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42355 Typhon

42355 Typhon (from) is a scattered disc object that was discovered on February 5, 2002, by the NEAT program.

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433 Eros

433 Eros, provisional designation, is a stony and elongated asteroid of the Amor group and the first discovered and second-largest near-Earth object with a mean-diameter of approximately 16.8 kilometers.

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5 Astraea

5 Astraea is a large asteroid from the asteroid belt.

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50000 Quaoar

50000 Quaoar, provisional designation, is a non-resonant trans-Neptunian object (cubewano) and possibly a dwarf planet in the Kuiper belt, located in the outermost region of the Solar System.

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58534 Logos

58534 Logos (or; from Greek λόγος) is a small Kuiper-belt object, more specifically a cubewano, notable for having a comparatively large satellite named Zoe.

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617 Patroclus

617 Patroclus, provisional designation is a binary Jupiter trojan approximately in diameter.

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624 Hektor

624 Hektor is the largest Jupiter trojan and the namesake of the Hektor family, with a highly elongated shape equivalent in volume to a sphere of approximately 225 to 250 kilometers diameter. It was discovered on 10 February 1907, by astronomer August Kopff at Heidelberg Observatory in southwest Germany, and named after the Trojan prince Hector, from Greek mythology. It has one small 12-kilometer sized satellite, Skamandrios, discovered in 2006.

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65489 Ceto

65489 Ceto is a binary trans-Neptunian object (TNO) discovered on March 22, 2003 by C. A. Trujillo and M. Brown at Palomar.

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704 Interamnia

704 Interamnia is a very large asteroid, with an estimated diameter of 350 kilometres.

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762 Pulcova

762 Pulcova is a main-belt asteroid.

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79360 Sila–Nunam

79360 Sila–Nunam, provisional designation, is a double cold classical Kuiper belt object (cubewano) with components of almost equal size, orbiting beyond Neptune in the Solar System.

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87 Sylvia

87 Sylvia is the 8th-largest asteroid in the asteroid belt.

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90 Antiope

90 Antiope is a double asteroid in the outer asteroid belt.

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90377 Sedna

90377 Sedna is a large minor planet in the outer reaches of the Solar System that was,, at a distance of about 86 astronomical units (AU) from the Sun, about three times as far as Neptune.

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90482 Orcus

90482 Orcus, provisional designation, is a trans-Neptunian object from the Kuiper belt with a large moon, Vanth.

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Redirects here:

Definition of moon, List of planet-satellite systems, List of planet–satellite systems, Moon (general term), Moon (general), Moon (generic), Moon moon, Moon moons, Moon satellite, Moons, Moons of moons, Natural satelite, Natural satelites, Natural satellites, Planet-satellite system, Planetary satellite, Satellite (astronomy).

References

[1] https://en.wikipedia.org/wiki/Natural_satellite

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