(21050) Beck Main-belt Asteroid
Discovered on 10 October 1990 by Schmadel, L. D., Borngen, F. at Tautenburg.
Hans G. Beck (b. 1930) studied astronomy and served for decades as head of the department for astronomical instruments of Carl Zeiss, Jena. This minor planet is being named on the occasion of his 75th birthday.Naming citation (20050407/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Beck as a baby name🐶 Beck as a dog name
Where Beck is today
Seen from above the solar system on 2026-10-14: Beck is 2.45 au from the Sun and 1.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21050 |
| Provisional designation | 1990 TG2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.50 km (#13,979 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.229 |
| Absolute magnitude (H) | 14.65 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.23 – 3.27 au |
| Eccentricity | 0.191 |
| Inclination | 12.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hans
- (3692) Rickman
- (4991) Hansuess
- (5323) Fogh
- (5475) Hanskennedy
- (6847) Kunz-Hallstein
- (8122) Holbein
- (9562) Memling
- (9689) Freudenthal
- (10542) Ruckers
- (12672) Nygardh
- (12729) Berger
- (13177) Hansschmidt
All asteroids named after someone called Hans
Also discovered on 10 October 1990
- (5236) Yoko
- (6068) Brandenburg
- (6717) Antal
- (8500) Hori
- (11886) Kraske
- (15727) Ianmorison
- (17460) Mang
- (18360) Sachs
- (19159) Taenakano
- (19162) Wambsganss
- (19992) Schonbein
- (19993) Gunterseeber