(12592) Brianchen Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Brian Chen (b. 2005) was a finalist in the 2019 Broadcom MASTERS, a math and science competition for middle-school students, for his plant science project. He attended the Harker School, San Jose, California.Naming citation (WGSBN Bull. 3, #1, 8), IAU / Minor Planet Center, via NASA/JPL
Where Brianchen is today
Seen from above the solar system on 2026-10-14: Brianchen is 2.45 au from the Sun and 2.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12592 |
| Provisional designation | 1999 RD134 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.60 km (#11,427 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.332 |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 4.58 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.45 – 3.07 au |
| Eccentricity | 0.113 |
| Inclination | 6.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.43 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Brian
- (4575) Broman
- (7476) Ogilsbie
- (8262) Carcich
- (8734) Warner
- (10059) McCullough
- (10066) Pihack
- (11371) Camley
- (11374) Briantaylor
- (11723) Briankennedy
- (12562) Briangrazer
- (12926) Brianmason
- (14595) Peaker
All asteroids named after someone called Brian
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra
- (12599) Singhal