(21544) Hermainkhan Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Hermain Suhail Khan (b. 1989) was awarded first place in the 2006 Intel International Science and Engineering Fair for his earth science team project. He attends the Francis Lewis High School, Fresh Meadows, New York, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hermainkhan is today
Seen from above the solar system on 2026-10-14: Hermainkhan is 2.48 au from the Sun and 1.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21544 |
| Provisional designation | 1998 QL33 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.51 km (#11,604 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.239 |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 4.02 years |
| Semi-major axis | 2.53 au |
| Perihelion – aphelion | 2.26 – 2.79 au |
| Eccentricity | 0.105 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 August 1998
- (9474) Cassadrury
- (9476) Vincenthuang
- (9477) Kefennell
- (10635) Chiragkumar
- (11189) Rabeaton
- (11369) Brazelton
- (11370) Nabrown
- (11371) Camley
- (11372) Aditisingh
- (11373) Carbonaro
- (11737) Gregneat
- (12545) Taniamurphy