|
Discovery
|
|
|---|---|
| Discovered by | P.P. Henry |
| Discovery date | August 12, 1882 |
|
Designations
|
|
| Named after | Philosophy |
| Alternate name(s) | A919 AA, 1933 SD1, 1949 OO1 |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 564.979 Gm (3.777 AU) |
| Perihelion | 378.046 Gm (2.527 AU) |
| Semi-major axis | 471.513 Gm (3.152 AU) |
| Eccentricity | 0.198 |
| Orbital period | 2043.817 d (5.6 a) |
| Average orbital speed | 16.78 km/s |
| Mean anomaly | 57.849° |
| Inclination | 9.148° |
| Longitude of ascending node | 327.808° |
| Argument of perihelion | 262.118° |
|
Physical characteristics
|
|
| Dimensions | 87.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 8.7 |
227 Philosophia is a large main-belt asteroid.
It was discovered by P.P. Henry on August 12, 1882, in Paris and named after philosophy.
|
|||||
|
||||||||||||||||||||||