(16804) Bonini Main-belt Asteroid
Discovered on 27 September 1997 by ODAS at Caussols.
Daughter of Robert and Henriette Chemin, observers at the Observatoire de la Côte d´Azur Schmidt telescope, Claire Bonini (b. 1951) is a schoolteacher who been active in teaching astronomy in French primary schools. Her 1990 experiment in a Sevran kindergarten was extended nationally and to other age groups.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bonini is today
Seen from above the solar system on 2026-10-14: Bonini is 2.39 au from the Sun and 2.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16804 |
| Provisional designation | 1997 SX15 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.97 km (#8,980 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.282 |
| Rotation period | 10.9 hours |
| Absolute magnitude (H) | 13.38 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.00 – 2.86 au |
| Eccentricity | 0.175 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.000 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 September 1997
- (9807) Rhene
- (10217) Richardcook
- (13227) Poor
- (14976) Josefcapek
- (15388) Coelum
- (15905) Berthier
- (18567) Segenthau
- (31134) Zurria
- (33035) Pareschi
- (35358) Lorifini
- (37785) Nougaro
- (69556) Felixdelafuente