(134) Sophrosyne Main-belt Asteroid
Discovered on 27 September 1873 by R. Luther at Dusseldorf.
Where Sophrosyne is today
Seen from above the solar system on 2026-10-14: Sophrosyne is 2.37 au from the Sun and 2.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 134 |
| Provisional designation | A873 SA |
| Orbit class | Main-belt Asteroid |
| Diameter | 108 km (#205 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0364 |
| Rotation period | 17.2 hours |
| Spectral type | C |
| Absolute magnitude (H) | 8.96 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.27 – 2.86 au |
| Eccentricity | 0.115 |
| Inclination | 11.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by R. Luther
- (17) Thetis
- (26) Proserpina
- (28) Bellona
- (35) Leukothea
- (37) Fides
- (47) Aglaja
- (53) Kalypso
- (57) Mnemosyne
- (58) Concordia
- (68) Leto
- (71) Niobe
- (78) Diana
← (133) Cyrene · (135) Hertha →