(1281) Jeanne Main-belt Asteroid
Discovered on 25 August 1933 by S. J. Arend at Uccle.
Where Jeanne is today
Seen from above the solar system on 2026-10-14: Jeanne is 2.26 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1281 |
| Provisional designation | 1933 QJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 25.7 km (#1,636 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Rotation period | 15.3 hours |
| Absolute magnitude (H) | 11.78 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.02 – 3.09 au |
| Eccentricity | 0.210 |
| Inclination | 7.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.