(11763) Deslandres Main-belt Asteroid
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Henri Deslandres (1853-1948) was a French astrophysicist and observatory director. An independent inventor of the spectroheliograph, he investigated molecular spectra in the laboratory and observed the solar chromosphere.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Deslandres is today
Seen from above the solar system on 2026-10-14: Deslandres is 2.91 au from the Sun and 3.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11763 |
| Provisional designation | 6303 P-L |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.60 hours |
| Absolute magnitude (H) | 14.4 |
| Orbital period | 4.88 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.83 – 2.93 au |
| Eccentricity | 0.0182 |
| Inclination | 2.28° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Henri
- (2359) Debehogne
- (3820) Sauval
- (7763) Crabeels
- (8240) Matisse
- (8521) Boulainvilliers
- (10311) Fantin-Latour
- (11506) Toulouse-Lautrec
- (12261) Ledouanier
- (12702) Panamarenko
- (12708) Van Straten
- (20358) Dalem
- (26183) Henrigodard
All asteroids named after someone called Henri
Also discovered on 24 September 1960
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1846) Bengt
- (1868) Thersites