(53141) Marcmoniez Main-belt Asteroid
Discovered on 21 January 1999 by ODAS at Caussols.
Marc Moniez (b. 1958) is a French astrophysicist, one of the founders of the EROS (Expérience de Recherche d’Objets Sombres) program, and one of the discoverers of the first gravitational microlensing effects. He has devoted most of his career to searching for hidden galactic matter in the form of compact objects and molecular gas.Naming citation (WGSBN Bull. 6, #6, 8), IAU / Minor Planet Center, via NASA/JPL
Where Marcmoniez is today
Seen from above the solar system on 2026-10-14: Marcmoniez is 2.66 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 53141 |
| Provisional designation | 1999 BW6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.85 km (#6,726 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.104 |
| Rotation period | 5.81 hours |
| Absolute magnitude (H) | 13.91 |
| Orbital period | 4.49 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.65 – 2.79 au |
| Eccentricity | 0.0256 |
| Inclination | 5.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Marc
- (7048) Chaussidon
- (7553) Buie
- (7740) Petit
- (10050) Rayman
- (10994) Fouchard
- (13059) Ducuroir
- (13249) Marcallen
- (13352) Gyssens
- (14094) Garneau
- (16121) Burrell
- (20036) Marcboucher
- (22633) Fazio
All asteroids named after someone called Marc
Also discovered on 21 January 1999
- (27178) Quino
- (29736) Fichtelberg
- (29737) Norihiro
- (31429) Diegoazzaro
- (31431) Cabibbo
- (35683) Broumov
- (79900) Coreglia
- (152750) Brloh