(21635) Micahtoll Main-belt Asteroid
Discovered on 14 July 1999 by LINEAR at Socorro.
Micah Lathaniel Toll (b. 1989) was awarded second place in the 2006 Intel International Science and Engineering Fair for his engineering project. He attends the Cedar Crest High School, Lebanon, Pennsylvania, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Micahtoll is today
Seen from above the solar system on 2026-10-14: Micahtoll is 2.07 au from the Sun and 1.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21635 |
| Provisional designation | 1999 NU19 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.24 km (#16,710 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.386 |
| Absolute magnitude (H) | 15.21 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.95 – 2.92 au |
| Eccentricity | 0.199 |
| Inclination | 1.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.942 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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