(22863) Namarkarian Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Nanor Markarian mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the A.G.B.U. Manoogian Demirdjan School, Canoga Par, California.Naming citation (20061009/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Namarkarian is today
Seen from above the solar system on 2026-10-14: Namarkarian is 2.45 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22863 |
| Provisional designation | 1999 RJ152 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.61 km (#16,041 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.216 |
| Absolute magnitude (H) | 14.95 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.45 – 2.71 au |
| Eccentricity | 0.0511 |
| Inclination | 2.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra