(1215) Boyer Main-belt Asteroid
Discovered on 19 January 1932 by A. Schmitt at Algiers.
Where Boyer is today
Seen from above the solar system on 2026-10-14: Boyer is 2.33 au from the Sun and 1.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1215 |
| Provisional designation | 1932 BA |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.0 km (#3,710 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.116 |
| Rotation period | 11.6 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.91 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.24 – 2.92 au |
| Eccentricity | 0.131 |
| Inclination | 15.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.