(9811) Cavadore Main-belt Asteroid
Discovered on 16 September 1998 by ODAS at Caussols.
Cyril Cavadore (b. 1969) is a professional CCD specialist at the European Southern Observatory and astronomical software programmer. He was one of the writers of the computer package used by many French amateur astronomers to discover minor planets.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Cavadore is today
Seen from above the solar system on 2026-10-14: Cavadore is 2.40 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9811 |
| Provisional designation | 1998 ST |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.75 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.92 – 2.63 au |
| Eccentricity | 0.157 |
| Inclination | 1.53° |
| Closest distance between its orbit and Earth's (MOID) | 0.904 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Cyril
All asteroids named after someone called Cyril
Also discovered on 16 September 1998
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- (12115) Robertgrimm
- (12565) Khege
- (12566) Derichardson
- (13739) Nancyworden
- (13750) Mattdawson
- (13751) Joelparker
- (14141) Demeautis
- (14596) Bergstralh
- (22722) Timothycooper
- (23877) Gourmaud
- (23893) Lauman