(3920) Aubignan Mars-crossing Asteroid
Discovered on 28 November 1948 by S. J. Arend at Uccle.
Where Aubignan is today
Seen from above the solar system on 2026-10-14: Aubignan is 2.03 au from the Sun and 1.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3920 |
| Provisional designation | 1948 WF |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 5.96 km (#8,999 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.339 |
| Rotation period | 4.48 hours |
| Spectral type | Sa |
| Absolute magnitude (H) | 13.11 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.64 – 2.87 au |
| Eccentricity | 0.271 |
| Inclination | 9.04° |
| Closest distance between its orbit and Earth's (MOID) | 0.657 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.