(3831) Pettengill Main-belt Asteroid
Discovered on 7 October 1986 by E. Bowell at Anderson Mesa.
Where Pettengill is today
Seen from above the solar system on 2026-10-14: Pettengill is 2.34 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3831 |
| Provisional designation | 1986 TP2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.78 km (#9,261 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.211 |
| Rotation period | 4.78 hours |
| Spectral type | S |
| Absolute magnitude (H) | 13.55 |
| Orbital period | 3.19 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 1.74 – 2.59 au |
| Eccentricity | 0.196 |
| Inclination | 4.59° |
| Closest distance between its orbit and Earth's (MOID) | 0.729 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 October 1986
- (3783) Morris
- (3850) Peltier
- (4091) Lowe
- (4629) Walford
- (4859) Fraknoi
- (5951) Alicemonet
- (7561) Patrickmichel
- (9305) Hazard
- (19123) Stephenlevine