(315) Constantia Main-belt Asteroid
Discovered on 4 September 1891 by J. Palisa at Vienna.
Where Constantia is today
Seen from above the solar system on 2026-10-14: Constantia is 2.37 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 315 |
| Provisional designation | A891 RB |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.53 km (#8,205 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Rotation period | 5.34 hours |
| Absolute magnitude (H) | 12.56 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.86 – 2.62 au |
| Eccentricity | 0.168 |
| Inclination | 2.43° |
| Closest distance between its orbit and Earth's (MOID) | 0.854 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
← (314) Rosalia · (316) Goberta →