(3144) Brosche Main-belt Asteroid
Discovered on 10 October 1931 by K. Reinmuth at Heidelberg.
Where Brosche is today
Seen from above the solar system on 2026-10-14: Brosche is 2.50 au from the Sun and 3.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3144 |
| Provisional designation | 1931 TY1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.39 km (#11,862 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.292 |
| Rotation period | 3.30 hours |
| Absolute magnitude (H) | 14.13 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.76 – 2.69 au |
| Eccentricity | 0.210 |
| Inclination | 5.51° |
| Closest distance between its orbit and Earth's (MOID) | 0.759 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 October 1931
- (1231) Auricula
- (1232) Cortusa
- (1233) Kobresia
- (1271) Isergina
- (1272) Gefion
- (2855) Bastian
- (11434) Lohnert