(1282) Utopia Main-belt Asteroid
Discovered on 17 August 1933 by C. Jackson at Johannesburg.
Where Utopia is today
Seen from above the solar system on 2026-10-14: Utopia is 3.23 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1282 |
| Provisional designation | 1933 QM1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 57.7 km (#622 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0530 |
| Rotation period | 13.6 hours |
| Absolute magnitude (H) | 10.25 |
| Orbital period | 5.51 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.75 – 3.49 au |
| Eccentricity | 0.119 |
| Inclination | 18.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.