(322577) Stephanhellmich Outer Main-belt Asteroid
Discovered on 31 January 2006 by Mount Lemmon Survey at Mount Lemmon.
Stephan Hellmich (b. 1981) is a German planetary and computer scientist. He earned his PhD with a study on the long-term stability of Jupiter Trojans under the influence of the Yarkovsky effect.Naming citation (WGSBN Bull. 4, #10, 13), IAU / Minor Planet Center, via NASA/JPL
Where Stephanhellmich is today
Seen from above the solar system on 2026-10-14: Stephanhellmich is 3.40 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 322577 |
| Provisional designation | 2012 AF7 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 15.62 |
| Orbital period | 5.85 years |
| Semi-major axis | 3.25 au |
| Perihelion – aphelion | 3.04 – 3.45 au |
| Eccentricity | 0.0631 |
| Inclination | 5.36° |
| Closest distance between its orbit and Earth's (MOID) | 2.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Stephan
All asteroids named after someone called Stephan