(28990) Ariheinze Main-belt Asteroid
Discovered on 20 June 2001 by LONEOS at Anderson Mesa.
Aren (Ari) Heinze (b. 1979) is a postdoctoral fellow working on ATLAS at the University of Hawai'i (Manoa). His areas of study include Pluto and other dwarf planets, brown dwarfs, and asteroid discoveries.Naming citation (WGSBN Bull. 1, #2, 12), IAU / Minor Planet Center, via NASA/JPL
Where Ariheinze is today
Seen from above the solar system on 2026-10-14: Ariheinze is 3.31 au from the Sun and 4.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28990 |
| Provisional designation | 2001 ML27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.5 km (#3,909 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0790 |
| Absolute magnitude (H) | 13.27 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.82 – 3.49 au |
| Eccentricity | 0.107 |
| Inclination | 17.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.