(9748) van Ostaijen Main-belt Asteroid
Discovered on 4 February 1989 by E. W. Elst at La Silla.
Where van Ostaijen is today
Seen from above the solar system on 2026-10-14: van Ostaijen is 2.34 au from the Sun and 1.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9748 |
| Provisional designation | 1989 CS2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.05 km (#15,081 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.434 |
| Rotation period | 48.1 hours |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.19 – 2.49 au |
| Eccentricity | 0.0652 |
| Inclination | 6.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 February 1989
- (4501) Eurypylos
- (5124) Muraoka
- (5127) Bruhns
- (5400) Anniewalker
- (6125) Singto
- (6237) Chikushi
- (7083) Kant
- (9576) van der Weyden
- (9941) Iguanodon
- (10068) Dodoens
- (10069) Fontenelle
- (15239) Stenhammar