(280) Philia Main-belt Asteroid
Discovered on 29 October 1888 by J. Palisa at Vienna.
Where Philia is today
Seen from above the solar system on 2026-10-14: Philia is 2.82 au from the Sun and 3.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 280 |
| Provisional designation | A888 UB |
| Orbit class | Main-belt Asteroid |
| Diameter | 45.7 km (#838 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0444 |
| Rotation period | 70.3 hours |
| Absolute magnitude (H) | 10.97 |
| Orbital period | 5.05 years |
| Semi-major axis | 2.94 au |
| Perihelion – aphelion | 2.61 – 3.27 au |
| Eccentricity | 0.112 |
| Inclination | 7.44° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. Palisa
- (136) Austria
- (137) Meliboea
- (140) Siwa
- (142) Polana
- (143) Adria
- (151) Abundantia
- (153) Hilda
- (155) Scylla
- (156) Xanthippe
- (178) Belisana
- (182) Elsa
- (183) Istria
← (279) Thule · (281) Lucretia →