(11158) Cirou Main-belt Asteroid
Discovered on 8 January 1998 by ODAS at Caussols.
Alain Cirou (b. 1958) is editor of Ciel et Espace magazine. He began working for the Association Française d´Astronomie in 1981 and has brought its magazine to its current monthly readership of 70 000. He has also popularized astronomy on radio and television.Naming citation (20000726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Cirou is today
Seen from above the solar system on 2026-10-14: Cirou is 2.12 au from the Sun and 2.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11158 |
| Provisional designation | 1998 AJ6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 3.25 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 2.06 – 2.33 au |
| Eccentricity | 0.0593 |
| Inclination | 2.87° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alain
- (7456) Doressoundiram
- (10222) Klotz
- (20740) Semery
- (20759) Vienne
- (24988) Alainmilsztajn
- (33163) Alainaspect
- (41213) Mimoun
- (232409) Dubes
All asteroids named after someone called Alain
Also discovered on 8 January 1998
- (15945) Raymondavid
- (15946) Satinsky
- (31201) Michellegrand
- (35419) Beckysmethurst
- (52655) Villermaux
- (55897) Antoinecailleau
- (85559) Villecroze