(12261) Ledouanier Main-belt Asteroid
Discovered on 7 October 1989 by E. W. Elst at La Silla.
Henri Rousseau (Le Douanier, 1844-1910) was a French painter and the originator of modern naive art. Paintings like La Bohémienne endormie combine people, sun and moon, tropical nature and wild beasts in an exotic way.Naming citation (20040306/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ledouanier is today
Seen from above the solar system on 2026-10-14: Ledouanier is 2.47 au from the Sun and 1.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12261 |
| Provisional designation | 1989 TY4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.33 km (#16,554 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.298 |
| Absolute magnitude (H) | 15.31 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.87 – 2.58 au |
| Eccentricity | 0.159 |
| Inclination | 5.93° |
| Closest distance between its orbit and Earth's (MOID) | 0.867 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
- (11763) Deslandres
- (12702) Panamarenko
- (12708) Van Straten
- (20358) Dalem
- (26183) Henrigodard
All asteroids named after someone called Henri
Also discovered on 7 October 1989
- (8489) Boulder
- (8837) London
- (11870) Sverige
- (11871) Norge
- (13032) Tarn
- (13033) Gardon
- (17439) Juliesan
- (21029) Adorno