(11243) de Graauw Main-belt Asteroid
Discovered on 25 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Dutch astronomer Matthijs W. M. de Graauw (b. 1942) is known for his tireless enthusiasm in pushing Dutch and European infrared and submillimeter astronomy forward, both on the ground and in space.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where de Graauw is today
Seen from above the solar system on 2026-10-14: de Graauw is 2.94 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11243 |
| Provisional designation | 2157 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.30 km (#10,049 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.274 |
| Absolute magnitude (H) | 13.87 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.45 – 3.11 au |
| Eccentricity | 0.119 |
| Inclination | 3.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 March 1971
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- (5408) The
- (6072) Hooghoudt
- (6616) Plotinos
- (6617) Boethius
- (6673) Degas
- (6751) van Genderen
- (7148) Reinholdbien
- (7211) Xerxes
- (7314) Pevsner
- (7624) Gluck
- (7690) Sackler