(20127) Benning Main-belt Asteroid
Discovered on 19 December 1995 by NEAT at Haleakala.
Liane G. Benning (b. 1963) is a German expert in mineral formation and microbe/mineral interactions in extreme environments. She is a Professor of Interface Chemistry at the GFZ Potsdam and the Freie Universität Berlin. Liane has advanced humanity's ability to search for biosignatures in the Martian geological record with her work on Martian meteorites.Naming citation (WGSBN Bull. 6, #9, 12), IAU / Minor Planet Center, via NASA/JPL
Where Benning is today
Seen from above the solar system on 2026-10-14: Benning is 3.46 au from the Sun and 2.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20127 |
| Provisional designation | 1995 YV22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.12 km (#7,491 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0380 |
| Rotation period | 3.47 hours |
| Absolute magnitude (H) | 14.86 |
| Orbital period | 5.47 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.73 – 3.48 au |
| Eccentricity | 0.120 |
| Inclination | 1.62° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.