(1189) Terentia Main-belt Asteroid
Discovered on 17 September 1930 by G. N. Neujmin at Simeis.
Where Terentia is today
Seen from above the solar system on 2026-10-14: Terentia is 2.68 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1189 |
| Provisional designation | 1930 SG |
| Orbit class | Main-belt Asteroid |
| Diameter | 59.2 km (#597 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0420 |
| Rotation period | 19.3 hours |
| Spectral type | Ch |
| Absolute magnitude (H) | 9.97 |
| Orbital period | 5.02 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.61 – 3.26 au |
| Eccentricity | 0.111 |
| Inclination | 9.86° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.