(30828) Bethe Main-belt Asteroid
Discovered on 12 October 1990 by Borngen, F., Schmadel, L. D. at Tautenburg.
Hans Albrecht Bethe (b. 1906) is a pioneering theoretician in quantum physics, atomic and nuclear processes and solid-state and reactor physics. He emigrated from Germany to the U.S. in 1933. He received the 1967 Nobel Prize in physics for his discoveries concerning the energy production of stars.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bethe is today
Seen from above the solar system on 2026-10-14: Bethe is 2.03 au from the Sun and 2.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30828 |
| Provisional designation | 1990 TK4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.43 km (#11,773 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0820 |
| Absolute magnitude (H) | 15.47 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.03 – 2.61 au |
| Eccentricity | 0.125 |
| Inclination | 2.96° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 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 12 October 1990
- (6194) Denali
- (6209) Schwaben
- (8847) Huch
- (10761) Lyubimets
- (10762) von Laue
- (10763) Hlawka
- (10764) Rubezahl
- (11508) Stolte
- (15262) Abderhalden
- (15265) Ernsting
- (15724) Zille
- (16505) Sulzer