(331605) Guidogryseels Main-belt Asteroid
Discovered on 10 December 2001 by T. Pauwels at Uccle.
Guido Gryseels (b. 1952) is a Belgian agricultural economist who was Director-General of the Royal Museum for Central Africa in Tervuren (Belgium) from 2001 to 2022. He had an enormous impact on the transformation/renewal of this museum and on the Belgian policy regarding colonial history.Naming citation (WGSBN Bull. 2, #15, 16), IAU / Minor Planet Center, via NASA/JPL
Where Guidogryseels is today
Seen from above the solar system on 2026-10-14: Guidogryseels is 2.68 au from the Sun and 2.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 331605 |
| Provisional designation | 2001 XB5 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 109 hours |
| Absolute magnitude (H) | 16.52 |
| Orbital period | 4.32 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.02 – 3.28 au |
| Eccentricity | 0.237 |
| Inclination | 13.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Guido
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- (309426) Guidoschwarz
All asteroids named after someone called Guido