(166746) Marcpostman Main-belt Asteroid
Discovered on 4 October 2002 by Sloan Digital Sky Survey at Apache Point.
Marc Postman (b. 1958) is an American astronomer and a contributor to the Sloan Digital Sky Survey, known for observational studies of clusters of galaxies and large-scale structure in the universe.Naming citation (20130127/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Marcpostman is today
Seen from above the solar system on 2026-10-14: Marcpostman is 2.72 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 166746 |
| Provisional designation | 2002 TY311 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.34 km (#14,380 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.159 |
| Absolute magnitude (H) | 15.1 |
| Orbital period | 5.14 years |
| Semi-major axis | 2.98 au |
| Perihelion – aphelion | 2.72 – 3.24 au |
| Eccentricity | 0.0871 |
| Inclination | 11.9° |
| 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 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 4 October 2002
- (113626) Centorenazzo
- (113949) Bahcall
- (113950) Donbaldwin
- (119967) Daniellong
- (127515) Nitta
- (127516) Oravetz
- (135978) Agueros
- (142752) Boroski
- (142753) Briegel
- (161207) Lidz
- (166745) Pindor
- (166747) Gordonrichards