(20555) Jennings Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Barbara Jennings mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Bonaire Middle School, Bonaire, Georgia.Naming citation (20041028/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jennings is today
Seen from above the solar system on 2026-10-14: Jennings is 2.12 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20555 |
| Provisional designation | 1999 RC115 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.85 hours |
| Absolute magnitude (H) | 14.95 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.12 – 2.67 au |
| Eccentricity | 0.115 |
| Inclination | 8.72° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Barbara
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