(55897) Antoinecailleau Main-belt Asteroid
Discovered on 8 January 1998 by ODAS at Caussols.
Antoine Cailleau (b. 1981) is a French mechanical technician who is passionate about astronomy. He built his own observatory and led studies on galaxy morphology and supernova photometry.Naming citation (WGSBN Bull. 5, #17, 20), IAU / Minor Planet Center, via NASA/JPL
Where Antoinecailleau is today
Seen from above the solar system on 2026-10-14: Antoinecailleau is 2.99 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55897 |
| Provisional designation | 1998 AH6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.51 km (#8,244 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.200 |
| Absolute magnitude (H) | 13.63 |
| Orbital period | 4.94 years |
| Semi-major axis | 2.90 au |
| Perihelion – aphelion | 2.75 – 3.05 au |
| Eccentricity | 0.0524 |
| Inclination | 1.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Antoine
All asteroids named after someone called Antoine
Also discovered on 8 January 1998
- (11158) Cirou
- (15945) Raymondavid
- (15946) Satinsky
- (31201) Michellegrand
- (35419) Beckysmethurst
- (52655) Villermaux
- (85559) Villecroze