(49439) Jeanlouispala Main-belt Asteroid
Discovered on 17 December 1998 by ODAS at Caussols.
Jean-Louis Pala (b. 1950) was a French mathematics teacher at the Institution Sainte Marie in Cannes. He is the founder of four astronomy clubs in the region of Antibes, in southern France. He created the GAPRA (Groupement d'Astronomie Populaire de la Région d'Antibes) in 1974.Naming citation (WGSBN Bull. 4, #3, 7), IAU / Minor Planet Center, via NASA/JPL
Where Jeanlouispala is today
Seen from above the solar system on 2026-10-14: Jeanlouispala is 3.31 au from the Sun and 4.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 49439 |
| Provisional designation | 1998 YC5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.76 km (#11,100 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.163 |
| Rotation period | 31.3 hours |
| Absolute magnitude (H) | 14.27 |
| Orbital period | 5.32 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.72 – 3.37 au |
| Eccentricity | 0.107 |
| Inclination | 11.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Louis
- (6605) Carmontelle
- (7645) Pons
- (8617) Fellous
- (9135) Lacaille
- (9969) Braille
- (10930) Jinyong
- (11248) Bleriot
- (11309) Malus
- (11796) Nirenberg
- (11969) Gay-Lussac
- (12715) Godin
- (12750) Berthollet
All asteroids named after someone called Louis
Also discovered on 17 December 1998
- (15052) Emileschweitzer
- (15053) Bochnicek
- (21602) Ialmenus
- (27147) Mercedessosa
- (31389) Alexkaplan
- (47078) Llebaria
- (56067) Argerich