(105) Artemis Main-belt Asteroid
Discovered on 16 September 1868 by J. C. Watson at Ann Arbor.
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Where Artemis is today
Seen from above the solar system on 2026-10-14: Artemis is 2.80 au from the Sun and 2.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 105 |
| Provisional designation | A868 SA |
| Orbit class | Main-belt Asteroid |
| Diameter | 94.9 km (#267 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0320 |
| Rotation period | 37.1 hours |
| Spectral type | C |
| Absolute magnitude (H) | 8.75 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.95 – 2.80 au |
| Eccentricity | 0.179 |
| Inclination | 21.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. C. Watson
- (79) Eurynome
- (93) Minerva
- (94) Aurora
- (100) Hekate
- (101) Helena
- (103) Hera
- (104) Klymene
- (106) Dione
- (115) Thyra
- (119) Althaea
- (121) Hermione
- (128) Nemesis
← (104) Klymene · (106) Dione →