(23889) Hermanngrassmann Main-belt Asteroid
Discovered on 26 September 1998 by P. G. Comba at Prescott.
Hermann Günther Grassmann (1809-1877) was a German scholar with wide interests, including Sanskrit, phonetics and theology. He was also a very inventive mathematician. His researches in noncommutative algebraic systems foreshadowed the development of the vector calculus and n-dimensional spaces.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hermanngrassmann is today
Seen from above the solar system on 2026-10-14: Hermanngrassmann is 3.22 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23889 |
| Provisional designation | 1998 SC28 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.37 km (#8,419 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 5.47 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.61 – 3.60 au |
| Eccentricity | 0.159 |
| Inclination | 0.777° |
| Closest distance between its orbit and Earth's (MOID) | 1.60 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hermann
- (7074) Muckea
- (8010) Bohnhardt
- (8818) Hermannbondi
- (10737) Bruck
- (11573) Helmholtz
- (11762) Vogel
- (12493) Minkowski
- (15406) Bleibtreu
- (24748) Nernst
- (32267) Hermannweyl
All asteroids named after someone called Hermann
Also discovered on 26 September 1998
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- (10238) Ananyakarthik
- (11380) Amolsingh
- (11382) Juliasitu
- (12915) Rinoliver
- (13336) Jillpernell
- (13337) Sampath
- (13339) Williamsmith
- (13341) Kellysweeney
- (13343) Annietaylor
- (13344) Upenieks
- (13346) Danielmiller