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20 Massalia

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20 Massalia is a stony asteroid and the parent body of the Massalia family located in the inner region of the asteroid belt, approximately in diameter. [1]

37 relations: Annibale de Gasparis, Asteroid, Asteroid belt, Asteroid family, Asteroid spectral types, Astronomical Observatory of Capodimonte, Astronomical unit, Axial tilt, Ceres (dwarf planet), Degree (angle), Ecliptic, Ecliptic coordinate system, Houghton Mifflin Harcourt, Jean Chacornac, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kirkwood gap, Light curve, Marseille, Marseille Observatory, Massalia family, Mauna Kea Observatories, Minor Planet Center, Orbital eccentricity, Orbital inclination, Parent body, Perturbation (astronomy), Rubble pile, S-type asteroid, Semi-major and semi-minor axes, Silicate, Sun, UH88, 16 Psyche, 4 Vesta, 44 Nysa.

Annibale de Gasparis

Annibale de Gasparis (November 9, 1819, Bugnara – March 21, 1892, Naples) was an Italian astronomer, born in Bugnara to parents originally from Tocco da Casauria.

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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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Asteroid family

An asteroid family is a population of asteroids that share similar proper orbital elements, such as semimajor axis, eccentricity, and orbital inclination.

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Asteroid spectral types

An asteroid spectral type is assigned to asteroids based on their emission spectrum, color, and sometimes albedo (reflectivity).

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Astronomical Observatory of Capodimonte

The Astronomical Observatory of Capodimonte (italic) is the Neapolitan department of Istituto Nazionale di Astrofisica (National Institute for Astrophysics, INAF), the most important Italian institution promoting, developing and conducting scientific research in the fields of astronomy, astrophysics, and space science.

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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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Axial tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.

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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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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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The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.

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Ecliptic coordinate system

The ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions and orbits of Solar System objects.

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Houghton Mifflin Harcourt

Houghton Mifflin Harcourt (HMH) is an educational and trade publisher in the United States.

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Jean Chacornac

Jean Chacornac (June 21, 1823 – September 23, 1873) was a French astronomer and discoverer of a comet and several asteroids.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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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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Kirkwood gap

A Kirkwood gap is a gap or dip in the distribution of the semi-major axes (or equivalently of the orbital periods) of the orbits of main-belt asteroids.

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Light curve

In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.

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Marseille (Provençal: Marselha), is the second-largest city of France and the largest city of the Provence historical region.

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Marseille Observatory

Marseille Observatory (Observatoire de Marseille) is an astronomical observatory located in Marseille, France, with a history that goes back to the early 18th century.

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Massalia family

The Massalia family (adj. Massalian; FIN: 404) is a family of asteroids in the inner asteroid belt, named after its parent body, 20 Massalia.

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Mauna Kea Observatories

The Mauna Kea Observatories (MKO) are a number of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on the Big Island of Hawaiʻi, United States.

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Minor Planet Center

The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.

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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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Parent body

In meteoritics, a parent body is the celestial body from which originates a meteorite or a class of meteorites.

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Perturbation (astronomy)

In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.

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Rubble pile

In astronomy, a rubble pile is a celestial body that is not a monolith, consisting instead of numerous pieces of rock that have coalesced under the influence of gravity.

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S-type asteroid

S-type asteroids are asteroids with a spectral type that is indicative of a silicaceous (i.e. stony) mineralogical composition, hence the name.

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Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.

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In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.

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

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The University of Hawai'i 88-inch (2.24-meter) telescope called UH88, UH2.2, or simply 88 by members of the local astronomical community is situated at the Mauna Kea Observatories and operated by the University's Institute for Astronomy.

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16 Psyche

16 Psyche is one of the ten most massive asteroids 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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44 Nysa

44 Nysa is a large and very bright main-belt asteroid, and the brightest member of the Nysian asteroid family.

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Redirects here:

(20) Massalia, Massalia (asteroid), Minor Planet Massalia.


[1] https://en.wikipedia.org/wiki/20_Massalia

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