(1253) Frisia Main-belt Asteroid
Discovered on 9 October 1931 by K. Reinmuth at Heidelberg.
Where Frisia is today
Seen from above the solar system on 2026-10-14: Frisia is 2.97 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1253 |
| Provisional designation | 1931 TV1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.7 km (#2,000 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0770 |
| Rotation period | 14.6 hours |
| Absolute magnitude (H) | 12.15 |
| Orbital period | 5.65 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.53 – 3.82 au |
| Eccentricity | 0.204 |
| Inclination | 1.34° |
| Closest distance between its orbit and Earth's (MOID) | 1.53 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 October 1931
- (1229) Tilia
- (1230) Riceia
- (1624) Rabe
- (1814) Bach
- (3310) Patsy
- (4418) Fredfranklin
- (4647) Syuji
- (5072) Hioki