(18510) Chasles Main-belt Asteroid
Discovered on 16 September 1996 by P. G. Comba at Prescott.
Michel Chasles (1793-1880) was professor at the École Polytechnique and later at the Sorbonne. His main contributions were in projective geometry, which he developed with a synthetic approach.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chasles is today
Seen from above the solar system on 2026-10-14: Chasles is 2.81 au from the Sun and 2.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18510 |
| Provisional designation | 1996 SN |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.51 km (#9,705 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0330 |
| Absolute magnitude (H) | 15.71 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.28 – 3.04 au |
| Eccentricity | 0.141 |
| Inclination | 2.79° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michel
- (5338) Michelblanc
- (7389) Michelcombes
- (8890) Montaigne
- (20741) Jeanmichelreess
- (25625) Verdenet
- (27949) Jonasz
- (31201) Michellegrand
- (37848) Michelmeunier
- (38829) Vandeputte
- (49108) Gouttesolard
- (63129) Courtemanche
- (63787) Michelmaurette
All asteroids named after someone called Michel