(16908) Groeselenberg Main-belt Asteroid
Discovered on 17 February 1998 by Elst, E. W., Pauwels, T. at Uccle.
Groeselenberg is the hill in Uccle where the Royal Observatory is located. The name refers to “a hill covered with spiny bushes”. Well-known minor-planet discoverer Henri Debehogne lives there on a street with the same name.Naming citation (20021120/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Groeselenberg is today
Seen from above the solar system on 2026-10-14: Groeselenberg is 1.98 au from the Sun and 0.987 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16908 |
| Provisional designation | 1998 DD33 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 5.34 hours |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 3.68 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.80 – 2.97 au |
| Eccentricity | 0.244 |
| Inclination | 6.58° |
| Closest distance between its orbit and Earth's (MOID) | 0.830 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.