|
Discovery
|
|
|---|---|
| Discovered by | A. Borrelly |
| Discovery date | November 27, 1891 |
|
Designations
|
|
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 518.906 Gm (3.469 AU) |
| Perihelion | 315.131 Gm (2.107 AU) |
| Semi-major axis | 417.019 Gm (2.788 AU) |
| Eccentricity | 0.244 |
| Orbital period | 1699.948 d (4.65 a) |
| Average orbital speed | 17.84 km/s |
| Mean anomaly | 171.962° |
| Inclination | 8.016° |
| Longitude of ascending node | 252.678° |
| Argument of perihelion | 114.424° |
|
Physical characteristics
|
|
| Dimensions | 71.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | M |
| Absolute magnitude (H) | 9.01 |
322 Phaeo is a large Main belt asteroid. It is classified as a M-type asteroid.
The asteroid was discovered by A. Borrelly on November 27, 1891 in Marseilles, France. It was named for the Greek mythological figure Phaeo, one of the Hyades or nymphs. Several other asteroids were named for other of the Hyades - 106 Dione, 158 Coronis, 217 Eudora, and 308 Polyxo.[1]
|
|||||
|
||||||||||||||||||||||