(12175) Wimhermans Main-belt Asteroid
Discovered on 16 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Dutch author Willem Frederik Hermans (1921-1995) was considered one of the most important writers in the Netherlands in the postwar period. His oeuvre includes novels, short stories, plays, along with poetry and essays, as well as philosophical and scientific works. The name was suggested by F. Israel.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wimhermans is today
Seen from above the solar system on 2026-10-14: Wimhermans is 2.58 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12175 |
| Provisional designation | 3197 T-3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.0 km (#4,085 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0710 |
| Rotation period | 19.7 hours |
| Absolute magnitude (H) | 13.54 |
| Orbital period | 5.49 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.56 – 3.67 au |
| Eccentricity | 0.179 |
| Inclination | 2.88° |
| Closest distance between its orbit and Earth's (MOID) | 1.56 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Willem
- (1964) Luyten
- (9686) Keesom
- (10436) Janwillempel
- (10652) Blaeu
- (10654) Bontekoe
- (10964) Degraaff
- (10984) Gispen
- (11240) Piso
- (11427) Willemkolff
- (12132) Wimfroger
- (12162) Bilderdijk
- (13045) Vermandere
All asteroids named after someone called Willem
Also discovered on 16 October 1977
- (3798) de Jager
- (3936) Elst
- (4044) Erikhog
- (4108) Rakos
- (4722) Agelaos
- (4753) Phidias
- (4754) Panthoos
- (5610) Balster
- (5699) Munch
- (5700) Homerus
- (5984) Lysippus
- (6055) Brunelleschi