(55543) Nemeghaire Main-belt Asteroid
Discovered on 8 December 2001 by H. M. J. Boffin at Uccle.
Jean Nemeghaire (b. 1949) has been an assistant at the Royal Meteorological Institute of Belgium since 1983. From 1979 to 1983 he was the discoverer's physics teacher and has greatly contributed to his vocation as an astrophysicist.Naming citation (20030614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nemeghaire is today
Seen from above the solar system on 2026-10-14: Nemeghaire is 2.25 au from the Sun and 2.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55543 |
| Provisional designation | 2001 XN16 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.86 hours |
| Absolute magnitude (H) | 14.46 |
| Orbital period | 4.40 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.25 – 3.12 au |
| Eccentricity | 0.162 |
| Inclination | 13.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jean
- (2221) Chilton
- (2267) Agassiz
- (3821) Sonet
- (8116) Jeanperrin
- (8604) Vanier
- (9138) Murdoch
- (9968) Serpe
- (10111) Fresnel
- (10215) Lavilledemirmont
- (10440) van Swinden
- (12286) Poiseuille
- (12498) Dragesco
All asteroids named after someone called Jean
Also discovered on 8 December 2001
More named asteroids discovered by H. M. J. Boffin
← (55477) Soroban · (55555) DNA →