(2839) Annette Main-belt Asteroid
Discovered on 5 October 1929 by C. W. Tombaugh at Flagstaff.
Where Annette is today
Seen from above the solar system on 2026-10-14: Annette is 2.39 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2839 |
| Provisional designation | 1929 TP |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.31 km (#7,298 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Rotation period | 10.5 hours |
| Absolute magnitude (H) | 12.91 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.88 – 2.55 au |
| Eccentricity | 0.150 |
| Inclination | 4.81° |
| Closest distance between its orbit and Earth's (MOID) | 0.894 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.