(23403) Boudewijnbuch Main-belt Asteroid
Discovered on 24 March 1971 by T. Gehrels at Palomar.
Boudewijn Maria Ignatius Büch (1948–2002) was a Dutch writer, poet and television presenter. He is well known for his successful novel De kleine blonde dood (Little Blond Death, 1985), on which a film was based in 1993. The name was suggested by C. E. Koppeschaar.Naming citation (WGSBN Bull. 4, #13, 4), IAU / Minor Planet Center, via NASA/JPL
Where Boudewijnbuch is today
Seen from above the solar system on 2026-10-14: Boudewijnbuch is 1.84 au from the Sun and 2.36 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23403 |
| Provisional designation | 1971 FB |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.35 km (#11,949 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.112 |
| Absolute magnitude (H) | 15.27 |
| Orbital period | 3.73 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.83 – 2.98 au |
| Eccentricity | 0.238 |
| Inclination | 26.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.894 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 March 1971
- (1864) Daedalus
- (1870) Glaukos
- (1871) Astyanax
- (1872) Helenos
- (1877) Marsden
- (6672) Corot
- (6750) Katgert
- (11249) Etna