34 Circe
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| Discovery | |
|---|---|
| Discovered by: | J. Chacornac |
| Discovery date: | April 6, 1855 |
| Alternative names: | 1965 JL |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 445.359 Gm (2.977 AU) |
| Perihelion distance: | 358.093 Gm (2.394 AU) |
| Semi-major axis: | 401.726 Gm (2.685 AU) |
| Eccentricity: | 0.109 |
| Orbital period: | 1607.332 d (4.40 a) |
| Avg. orbital speed: | 18.12 km/s |
| Mean anomaly: | 200.451° |
| Inclination: | 5.503° |
| Longitude of ascending node: | 184.535° |
| Argument of perihelion: | 330.083° |
| Physical characteristics | |
| Dimensions: | 113.5 km |
| Mass: | ~1.5×1018 kg |
| Mean density: | 2.0? g/cm³ |
| Equatorial surface gravity: | ~0.0317 m/s² |
| Escape velocity: | ~0.0600 km/s |
| Rotation period: | 0.5063 d (12.15 h) [1] |
| Albedo: | 0.054 [2] |
| Temperature: | ~172 K |
| Spectral type: | C |
| Absolute magnitude: | 8.51 |
34 Circe (IPA: [ˈsɚsi]) is a large, very dark main belt asteroid.
It was discovered by J. Chacornac on April 6, 1855 and named after Circe, a goddess in Greek mythology.
[edit] References
- ^ http://www.psi.edu/pds/archive/lc.html
- ^ http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab
| Minor planets | ||
|---|---|---|
| Previous minor planet | 34 Circe | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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