(9521) Martinhoffmann Main-belt Asteroid
Discovered on 16 March 1980 by C.-I. Lagerkvist at La Silla.
Martin Hoffmann (b. 1949) is a German astronomer who has made observations of variable stars and minor planets, including lightcurve studies and spectroscopic investigations. In recent years he has been much involved with the observations from ODAS, the O.C.A.- DLR Asteroid Survey. The name was suggested by G. Hahn.Naming citation (19990928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Martinhoffmann is today
Seen from above the solar system on 2026-10-14: Martinhoffmann is 2.59 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9521 |
| Provisional designation | 1980 FS1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.91 km (#15,430 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.159 |
| Absolute magnitude (H) | 15.31 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.93 – 2.59 au |
| Eccentricity | 0.146 |
| Inclination | 4.11° |
| Closest distance between its orbit and Earth's (MOID) | 0.919 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Martin
- (2305) King
- (6385) Martindavid
- (6642) Henze
- (7100) Martin Luther
- (7239) Mobberley
- (7398) Walsh
- (7547) Martinnakata
- (7846) Setvak
- (8074) Slade
- (8152) Martinlee
- (9143) Burkhead
- (9283) Martinelvis
All asteroids named after someone called Martin
Also discovered on 16 March 1980
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- (3386) Klementinum
- (3634) Iwan
- (4169) Celsius
- (4593) Reipurth
- (5221) Fabribudweis
- (5498) Gustafsson
- (5938) Keller
- (6150) Neukum
- (6687) Lahulla
- (6945) Dahlgren
- (7548) Engstrom