(121211) Nikeshadavis Main-belt Asteroid
Discovered on 4 September 1999 by CSS at Catalina.
Nikesha Davis (b. 1983) is the deputy lead NASA Attitude Control Analyst for the OSIRIS-REx Asteroid Sample Return Mission. Prior to serving in this role, she worked as an Attitude Control Analyst on the Global Precipitation Measurement Mission and the proposal team for the GEDI Mission.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Nikeshadavis is today
Seen from above the solar system on 2026-10-14: Nikeshadavis is 2.90 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121211 |
| Provisional designation | 1999 RB4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.02 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 1.94 – 3.16 au |
| Eccentricity | 0.239 |
| Inclination | 4.59° |
| Closest distance between its orbit and Earth's (MOID) | 0.927 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 September 1999
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- (20500) Avner
- (20607) Vernazza
- (21664) Konradzuse
- (21684) Alinafiocca
- (23990) Springsteen
- (40410) Prihoda
- (40457) Williamkuhn
- (59970) Morate
- (66479) Healy