(10021) Henja Main-belt Asteroid
Discovered on 22 August 1979 by C.-I. Lagerkvist at La Silla.
Karin Henja is a prolific constructor of the Swedish form of crossword puzzles.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Henja is today
Seen from above the solar system on 2026-10-14: Henja is 1.94 au from the Sun and 0.974 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10021 |
| Provisional designation | 1979 QC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.18 km (#7,437 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Rotation period | 3.11 hours |
| Absolute magnitude (H) | 14.1 |
| Orbital period | 3.60 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.94 – 2.75 au |
| Eccentricity | 0.173 |
| Inclination | 11.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.971 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Karin
All asteroids named after someone called Karin
Also discovered on 22 August 1979
- (2589) Daniel
- (2694) Pino Torinese
- (3005) Pervictoralex
- (3331) Kvistaberg
- (5088) Tancredi
- (6686) Hernius
- (7217) Dacke
- (8793) Thomasmuller
- (9273) Schloerb
- (9831) Simongreen
- (9919) Undset
- (11449) Stephwerner
More named asteroids discovered by C.-I. Lagerkvist
- (2114) Wallenquist
- (2191) Uppsala
- (2274) Ehrsson
- (2589) Daniel
- (2694) Pino Torinese
- (2744) Birgitta
- (2902) Westerlund
- (3005) Pervictoralex
- (3250) Martebo
- (3331) Kvistaberg
- (3573) Holmberg
- (3634) Iwan
← (10020) Bagenal · (10022) Zubov →