(4512) Sinuhe Main-belt Asteroid
Discovered on 20 January 1939 by Y. Vaisala at Turku.
Where Sinuhe is today
Seen from above the solar system on 2026-10-14: Sinuhe is 2.24 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4512 |
| Provisional designation | 1939 BM |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.8 km (#4,698 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.265 |
| Rotation period | 22.1 hours |
| Spectral type | Sa |
| Absolute magnitude (H) | 12.07 |
| Orbital period | 4.60 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.19 – 3.34 au |
| Eccentricity | 0.210 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.