(20143) Julianegross Main-belt Asteroid
Discovered on 13 September 1996 by Spacewatch at Kitt Peak.
Juliane Gross (b. 1979) is a German-American scientist and the NASA Artemis Curation Lead. Her research includes investigating Mars and martian meteorites as well as path-finding work on pristine samples from the Apollo missions. Her intensive work as Artemis Curation Lead fills a mission-critical step in humanity's return to the Moon.Naming citation (WGSBN Bull. 6, #9, 13), IAU / Minor Planet Center, via NASA/JPL
Where Julianegross is today
Seen from above the solar system on 2026-10-14: Julianegross is 2.79 au from the Sun and 3.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20143 |
| Provisional designation | 1996 RQ16 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.02 km (#15,153 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.212 |
| Absolute magnitude (H) | 14.79 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.85 – 2.80 au |
| Eccentricity | 0.205 |
| Inclination | 6.67° |
| Closest distance between its orbit and Earth's (MOID) | 0.838 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.