217 Eudora
From Wikipedia, the free encyclopedia
|
Discovery
|
|
|---|---|
| Discovered by | J. Coggia |
| Discovery date | August 30, 1880 |
|
Designations
|
|
| Alternative names | A914 RA |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 561.361 Gm (3.752 AU) |
| Perihelion | 298.821 Gm (1.997 AU) |
| Semi-major axis | 430.091 Gm (2.875 AU) |
| Eccentricity | 0.305 |
| Orbital period | 1780.504 d (4.87 a) |
| Average orbital speed | 17.57 km/s |
| Mean anomaly | 220.993° |
| Inclination | 10.474° |
| Longitude of ascending node | 163.151° |
| Argument of perihelion | 154.303° |
|
Physical characteristics
|
|
| Dimensions | 66.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 12.54 h |
| Albedo | 0.048 |
| Temperature | unknown |
| Spectral type | C |
| Absolute magnitude | 9.8 |
217 Eudora is a large Main belt asteroid. It probably has a composition similar to carbonaceous chondrites.
It was discovered by J. Coggia on August 30, 1880 in Marseilles. It was his fourth asteroid discovery.
It was named after Eudora, a Hyad in Greek mythology.
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
|
|||||
