24 Themis

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24 Themis
Themistian orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt (Themis)
Semimajor axis 3.129 AU
Perihelion distance 2.713 AU
Aphelion distance 3.544 AU
Orbital period 5.53 years
Inclination 0.76°
Eccentricity 0.133
Themistian physical characteristics
Diameter 228 km
Mass 7.2 × 1015 kg
Rotation period 3 (http://www.psi.edu/pds/archive/lc.html) 8 h 23 min
Abs. magnitude 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) 7.08
Spectral class C
Albedo 0.03
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer A. de Gasparis, 1853

24 Themis (thee'-mis, them'-is) is one of the largest Main belt asteroids. It is also the largest member of Themis asteroid family.

It was discovered by Annibale de Gasparis on April 5, 1853.

It is named after Themis, the personification of divine order, law and custom in Greek mythology.

Themis was also the name given to the spurious lost "tenth" satellite of Saturn that William Henry Pickering believed he had found in 1905. [1] (http://adsbit.harvard.edu//full/seri/AnHar/0053//0000210.000.html)


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The minor planets
Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans
Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper belt | Oort cloud
(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.)
de:Themis (Asteroid)

es:(24) Temis fr:24 Thémis

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