(731) Sorga Main-belt Asteroid
Discovered on 15 April 1912 by A. Massinger at Heidelberg.
Where Sorga is today
Seen from above the solar system on 2026-10-14: Sorga is 2.92 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 731 |
| Provisional designation | A912 GH |
| Orbit class | Main-belt Asteroid |
| Diameter | 34.6 km (#1,166 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.209 |
| Rotation period | 8.18 hours |
| Spectral type | CD |
| Absolute magnitude (H) | 9.72 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.98 au |
| Perihelion – aphelion | 2.56 – 3.41 au |
| Eccentricity | 0.143 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.57 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 April 1912
More named asteroids discovered by A. Massinger
← (730) Athanasia · (732) Tjilaki →