(227) Philosophia Main-belt Asteroid
Discovered on 12 August 1882 by P. P. Henry at Paris.
Where Philosophia is today
Seen from above the solar system on 2026-10-14: Philosophia is 2.52 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 227 |
| Provisional designation | A882 PA |
| Orbit class | Main-belt Asteroid |
| Diameter | 124 km (#149 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Rotation period | 26.5 hours |
| Absolute magnitude (H) | 9.13 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.52 – 3.78 au |
| Eccentricity | 0.200 |
| Inclination | 9.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.53 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by P. P. Henry
← (226) Weringia · (228) Agathe →