(48424) Souchay Main-belt Asteroid
Discovered on 5 December 1988 by T. Nakamura at Kiso.
Jean Souchay (b. 1959), an astronomer at the Paris Observatory, is a specialist on the nutation of the earth's rotation. He also studies the non-principal axis rotation of minor planets and took part in the compilation of d'Alembert's collected works in 1997. He made the discovery observation of this object with the discoverer.Naming citation (20040107/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Souchay is today
Seen from above the solar system on 2026-10-14: Souchay is 2.86 au from the Sun and 2.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 48424 |
| Provisional designation | 1988 XW4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.96 km (#10,697 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.261 |
| Absolute magnitude (H) | 13.77 |
| Orbital period | 4.88 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.73 – 3.03 au |
| Eccentricity | 0.0527 |
| Inclination | 1.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 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