(129201) Brandenallen Main-belt Asteroid
Discovered on 3 July 2005 by Mt. Lemmon Survey at Mount Lemmon.
Where Brandenallen is today
Seen from above the solar system on 2026-10-14: Brandenallen is 2.74 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 129201 |
| Provisional designation | 2005 NF10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.63 km (#9,524 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 15.23 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.56 – 2.82 au |
| Eccentricity | 0.0490 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.