(1814) Bach Main-belt Asteroid
Discovered on 9 October 1931 by K. Reinmuth at Heidelberg.
Where Bach is today
Seen from above the solar system on 2026-10-14: Bach is 2.51 au from the Sun and 3.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1814 |
| Provisional designation | 1931 TW1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.52 km (#7,096 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.180 |
| Rotation period | 7.24 hours |
| Absolute magnitude (H) | 12.94 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.94 – 2.52 au |
| Eccentricity | 0.131 |
| Inclination | 4.34° |
| Closest distance between its orbit and Earth's (MOID) | 0.955 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 October 1931
- (1229) Tilia
- (1230) Riceia
- (1253) Frisia
- (1624) Rabe
- (3310) Patsy
- (4418) Fredfranklin
- (4647) Syuji
- (5072) Hioki