(21637) Ninahuffman Main-belt Asteroid
Discovered on 14 July 1999 by LINEAR at Socorro.
Nina Maria Huffman (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her engineering project. She attends the Langley High School, McLean, Virginia, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ninahuffman is today
Seen from above the solar system on 2026-10-14: Ninahuffman is 2.79 au from the Sun and 3.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21637 |
| Provisional designation | 1999 NH36 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.43 km (#16,389 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.298 |
| Absolute magnitude (H) | 15.39 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.91 – 2.81 au |
| Eccentricity | 0.191 |
| Inclination | 7.41° |
| Closest distance between its orbit and Earth's (MOID) | 0.903 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nina
All asteroids named after someone called Nina
Also discovered on 14 July 1999
- (11751) Davidcarroll
- (12120) Rebeccagrella
- (15502) Hypeirochus
- (16062) Buncher
- (17169) Tatarinov
- (17170) Vsevustinov
- (18823) Zachozer
- (18824) Graves
- (18825) Alicechai
- (18826) Leifer
- (18830) Pothier
- (19589) Kirkland