(1239) Queteleta Main-belt Asteroid
Discovered on 4 February 1932 by E. Delporte at Uccle.
Where Queteleta is today
Seen from above the solar system on 2026-10-14: Queteleta is 2.42 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1239 |
| Provisional designation | 1932 CB |
| Orbit class | Main-belt Asteroid |
| Diameter | 18.7 km (#2,394 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0510 |
| Rotation period | 10.3 hours |
| Absolute magnitude (H) | 12.44 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.05 – 3.28 au |
| Eccentricity | 0.231 |
| Inclination | 1.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.