- 105 Artemis
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105 Artemis DiscoveryDiscovered by James Craig Watson Discovery date September 16, 1868 DesignationsNamed after Artemis Alternate name(s) Minor planet
categoryMain belt Adjective Artemidean, Artemidian Epoch December 31, 2006 (JD 2454100.5) Aphelion 417.698 Gm (2.792 AU) Perihelion 292.465 Gm (1.955 AU) Semi-major axis 355.081 Gm (2.374 AU) Eccentricity 0.176 Orbital period 1335.678 d (3.66 a) Average orbital speed 19.18 km/s Mean anomaly 34.364° Inclination 21.461° Longitude of ascending node 188.353° Argument of perihelion 56.486° Physical characteristicsDimensions 119.1 km Mass 1.8×1018 kg Mean density ? g/cm³ Equatorial surface gravity 0.0333 m/s² Escape velocity 0.0630 km/s Rotation period ? d Albedo ? Temperature ~181 K Spectral type C Absolute magnitude (H) 8.57 105 Artemis is a large main-belt asteroid. It is a C-type asteroid, meaning that it is very dark and composed of carbonaceous material. It was discovered by J. C. Watson on September 16, 1868, and named after Artemis, the Greek goddess of the moon. Several Artemisian stellar occultations have been reported.
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Categories:- Main Belt asteroids
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- C-type Main Belt asteroid stubs
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