(25628) Kummer Main-belt Asteroid
Discovered on 7 January 2000 by P. G. Comba at Prescott.
Ernst Eduard Kummer (1811-1893) was a professor at the Universities of Breslau and Berlin. He spent many years working on Fermat's last theorem and obtained a partial proof of it. In the process he developed some important concepts in algebra.Naming citation (20011130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kummer is today
Seen from above the solar system on 2026-10-14: Kummer is 1.99 au from the Sun and 1.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25628 |
| Provisional designation | 2000 AZ50 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.49 km (#16,278 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.312 |
| Absolute magnitude (H) | 15.12 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.92 – 2.66 au |
| Eccentricity | 0.163 |
| Inclination | 0.732° |
| Closest distance between its orbit and Earth's (MOID) | 0.907 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ernst
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- (5053) Chladni
- (11042) Ernstweber
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- (13086) Sauerbruch
- (14990) Zermelo
- (16441) Kirchner
- (16714) Arndt
- (20016) Rietschel
- (112328) Klinkerfues
- (173002) Dorfi
All asteroids named after someone called Ernst
Also discovered on 7 January 2000
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- (14702) Benclark
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- (16198) Buzios
- (17210) Nadinemeister
- (17211) Brianfisher
- (17216) Scottstuart
- (17217) Pollner
- (18887) Yiliuchen
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- (24386) McLindon