(49118) Sergerochain Main-belt Asteroid
Discovered on 19 September 1998 by ODAS at Caussols.
Serge Rochain (b. 1942) is a French computer engineer and amateur astronomer with a degree in astronomy. He has authored books in the history of science. He lived through and documented the historical evolution from mechanography to computer science. He supported and contributed to the design of the CLIMSO coronagraphs at Pic-du-Midi observatory.Naming citation (WGSBN Bull. 4, #2, 7), IAU / Minor Planet Center, via NASA/JPL
Where Sergerochain is today
Seen from above the solar system on 2026-10-14: Sergerochain is 2.41 au from the Sun and 2.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 49118 |
| Provisional designation | 1998 SL10 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.03 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.41 – 3.07 au |
| Eccentricity | 0.120 |
| Inclination | 13.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Serge
All asteroids named after someone called Serge
Also discovered on 19 September 1998
- (12562) Briangrazer
- (21576) McGivney
- (22725) Drabble
- (25164) Sonomastate
- (25165) Leget
- (25166) Thompson
- (38044) Michaellucas
- (52872) Okyrhoe
- (79641) Daniloceirani
- (79645) Jancovici
- (202930) Ivezic
- (222032) Lupton