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3753 Cruithne

Index 3753 Cruithne

3753 Cruithne (For instance, on the British television show Q.I. (Season 1; aired 11 Sept 2003).) is a Q-type, Aten asteroid in orbit around the Sun in 1:1 orbital resonance with Earth, making it a co-orbital object. [1]

76 relations: Abigail Brand, Annals of Ulster, Apparent magnitude, Arthur C. Clarke Award, Asteroid, Astonishing X-Men, Astronomical unit, Aten asteroid, Australia, Brood (comics), Calypso (moon), Chile, Claimed moons of Earth, Co-orbital configuration, Coonabarabran, Cruthin, Degree (angle), Diameter, Dione (moon), Duncan Waldron, Earth trojan, Elliptic orbit, Epimetheus (moon), European Southern Observatory, Finland, Giovanni de Sanctis, Gravity assist, Helene (moon), Hill sphere, Horseshoe orbit, Janus (moon), Julian day, Julian year (astronomy), Jupiter, Jupiter trojan, Kidney bean, Kimmo Innanen, Lagrangian point, List of Mars-crossing minor planets, List of Venus-crossing minor planets, Mars, Mercury (planet), Metre per second, Monthly Notices of the Royal Astronomical Society, Moon, Natural satellite, Nature (journal), Near-Earth object, Old Irish, Orbit, ..., Orbital eccentricity, Orbital period, Orbital resonance, Paul Wiegert, Pictish Chronicle, Picts, Polydeuces (moon), Q-type asteroid, QI, Quasi-satellite, Reflecting telescope, Richard Martin West, Saturn, Seppo Mikkola, Siding Spring Observatory, Space.com, Sun, Telesto (moon), Tethys (moon), Time (Baxter novel), Toronto, UK Schmidt Telescope, University of Turku, York University, 5261 Eureka, 54509 YORP. Expand index (26 more) »

Abigail Brand

Special Agent Abigail Brand is a fictional character appearing in American comic books published by Marvel Comics.

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Annals of Ulster

The Annals of Ulster (Annála Uladh) are annals of medieval Ireland.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Arthur C. Clarke Award

The Arthur C. Clarke Award is a British award given for the best science fiction novel first published in the United Kingdom during the previous year.

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

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Astonishing X-Men

Astonishing X-Men is the name of four X-Men comic book series from Marvel Comics, the first two of which were limited series.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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Aten asteroid

The Aten asteroids are a dynamical group of asteroids whose orbits bring them into proximity with Earth.

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Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Brood (comics)

The Brood are a fictional race of insectoid, parasitic, extraterrestrial beings appearing in American comic books published by Marvel Comics, especially Uncanny X-Men. Created by writer Chris Claremont and artist Dave Cockrum, they first appeared in Uncanny X-Men #155 (March 1982).

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Calypso (moon)

Calypso (Καλυψώ) is a moon of Saturn.

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Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.

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Claimed moons of Earth

Claims of the existence of other moons of Earth—that is, of one or more natural satellites other than the Moon that orbit Earth—have existed for some time.

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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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Coonabarabran is a town in Warrumbungle Shire that sits on the divide between the Central West and North West Slopes regions of New South Wales, Australia.

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The Cruthin (Old Irish,; Middle Irish: Cruithnig or Cruithni; Modern Irish: Cruithne) were a people of early medieval Ireland.

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Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.

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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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Duncan Waldron


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Earth trojan

An Earth trojan is an asteroid that orbits the Sun in the vicinity of the Earth–Sun Lagrangian points (leading 60°) or (trailing 60°), thus having an orbit similar to Earth's.

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Elliptic orbit

In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0.

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Epimetheus (moon)

Epimetheus is an inner satellite of Saturn.

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European Southern Observatory

The European Southern Observatory (ESO) is a 15-nation intergovernmental research organization for ground-based astronomy.

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Finland (Suomi; Finland), officially the Republic of Finland is a country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east.

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Giovanni de Sanctis

Giovanni de Sanctis (born 1949) is an Italian astronomer and discoverer of minor planets at the Osservatorio Astronomico di Torino (Astronomical Observatory of Turin) in Turin, Italy.

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Gravity assist

In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the Sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce expense.

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Helene (moon)

Helene (Ἑλένη) is a moon of Saturn.

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Hill sphere

An astronomical body's Hill sphere is the region in which it dominates the attraction of satellites.

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Horseshoe orbit

A horseshoe orbit is a type of co-orbital motion of a small orbiting body relative to a larger orbiting body (such as Earth).

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Janus (moon)

Janus is an inner satellite of Saturn.

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Julian day

Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.

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Julian year (astronomy)

In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.

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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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Kidney bean

The kidney bean is a variety of the common bean (Phaseolus vulgaris).

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Kimmo Innanen

Kimmo Albin Innanen (March 12, 1937 in Kirkland Lake, Canada – August 3, 2011 in Toronto, Canada) was a Canadian astrophysicist of Finnish descent.

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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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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 Venus-crossing minor planets

A Venus-crosser is an asteroid whose orbit crosses that of Venus.

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

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Mercury (planet)

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

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Metre per second

Metre per second (American English: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.

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Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.

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

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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).

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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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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Old Irish

Old Irish (Goídelc; Sean-Ghaeilge; Seann Ghàidhlig; Shenn Yernish; sometimes called Old Gaelic) is the name given to the oldest form of the Goidelic languages for which extensive written texts are extant.

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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 period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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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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Paul Wiegert

Paul Arnold Wiegert (born 1967) is a Canadian astronomer, discoverer of minor planets and professor at the University of Western Ontario.

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Pictish Chronicle

The Pictish Chronicle is a name often given by (especially older) historians to a pseudo-historical account of the kings of the Picts beginning many thousand years before history was recorded in Pictavia and ending after Pictavia had been enveloped by Scotland.

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The Picts were a tribal confederation of peoples who lived in what is today eastern and northern Scotland during the Late Iron Age and Early Medieval periods.

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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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Q-type asteroid

Q-type asteroids are relatively uncommon inner-belt asteroids with a strong, broad 1 micrometre olivine and pyroxene feature, and a spectral slope that indicates the presence of metal.

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QI (Quite Interesting) is a British comedy panel game television quiz show created and co-produced by John Lloyd, and features permanent panelist Alan Davies.

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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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Reflecting telescope

A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image.

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Richard Martin West

Richard Martin West (born 1941) is a Danish astronomer and discoverer of astronomical objects with a long career at the European Southern Observatory (ESO) and at the International Astronomical Union (IAU).

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

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Seppo Mikkola

Seppo Mikkola (1947) is a Finnish astronomer.

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Siding Spring Observatory

Siding Spring Observatory near Coonabarabran, New South Wales, Australia, part of the Research School of Astronomy & Astrophysics (RSAA) at the Australian National University (ANU), incorporates the Anglo-Australian Telescope along with a collection of other telescopes owned by the Australian National University, the University of New South Wales, and other institutions.

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Space.com is a space and astronomy news website.

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The Sun is the star at the center of the Solar System.

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Telesto (moon)

Telesto (Τελεστώ) is a moon of Saturn.

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Tethys (moon)

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

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Time (Baxter novel)

Manifold: Time is a 1999 science fiction novel by Stephen Baxter.

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Toronto is the capital city of the province of Ontario and the largest city in Canada by population, with 2,731,571 residents in 2016.

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UK Schmidt Telescope

The UK Schmidt Telescope (UKST) is a 1.24 metre Schmidt telescope operated by the Australian Astronomical Observatory (formerly the Anglo-Australian Observatory); it is located adjacent to the 3.9 metre Anglo-Australian Telescope at Siding Spring Observatory, Australia.

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University of Turku

The University of Turku (in Finnish Turun yliopisto, in Swedish Åbo universitet, shortened in UTU), located in Turku in southwestern Finland (EU), is the second largest university in the country as measured by student enrollment, after University of Helsinki.

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York University

York University (Université York) is a public research university in Toronto, Ontario, Canada.

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5261 Eureka

5261 Eureka is the first Mars trojan discovered.

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54509 YORP

54509 YORP, provisional designation, is an Earth co-orbital asteroid discovered on August 3, 2000 by the Lincoln Laboratory Near-Earth Asteroid Research (LINEAR) Team at Lincoln Laboratory Experimental Test Site in Socorro, New Mexico.

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Redirects here:

(3753) Cruithne, 1983 UH, 1986 TO, Asteroid 3753, Asteroid Cruithne, Cruithne (asteroid), Earths 2nd moon.


[1] https://en.wikipedia.org/wiki/3753_Cruithne

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