(21510) Chemnitz Main-belt Asteroid
Discovered on 22 May 1998 by LINEAR at Socorro.
Mario Chemnitz (b. 1986) was awarded second place in the 2005 Intel International Science and Engineering Fair for his physics project. He attends the Paul-Gerhardt-Gymnasium Graefenhainichen, Graefenhainichen, Sachsen-Anhalt, Germany.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chemnitz is today
Seen from above the solar system on 2026-10-14: Chemnitz is 2.49 au from the Sun and 1.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21510 |
| Provisional designation | 1998 KF36 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.24 km (#10,156 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.112 |
| Absolute magnitude (H) | 14.33 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.48 – 3.02 au |
| Eccentricity | 0.0985 |
| Inclination | 2.53° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mario
- (5329) Decaro
- (5346) Benedetti
- (8106) Carpino
- (9680) Molina
- (10423) Dajcic
- (11165) Mariocabrera
- (11454) Mariomelita
- (12811) Rigonistern
- (15825) Capecchi
- (15837) Mariovalori
- (17466) Vargasllosa
- (20195) Mariovinci
All asteroids named after someone called Mario
Also discovered on 22 May 1998
- (9466) Shishir
- (11187) Richoliver
- (11730) Yanhua
- (11735) Isabellecohen
- (12104) Chesley
- (12106) Menghuan
- (12107) Reneebarcia
- (12108) Jamesaustin
- (12529) Reighard
- (12530) Richardson
- (12860) Turney
- (12861) Wacker