(15131) Alanalda Main-belt Asteroid
Discovered on 10 March 2000 by Spacewatch at Kitt Peak.
Alan Alda (b. 1936) is an American actor, director, screenwriter and author. Best known as Benjamin Franklin “Hawkeye” Pierce in the TV series M∗A∗S∗H, Alda has won numerous awards for his work including 6 Emmys and 6 Golden Globes. Alda hosted the acclaimed PBS series Scientific American Frontiers from 1993 to 2005.Naming citation (20110615/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alanalda is today
Seen from above the solar system on 2026-10-14: Alanalda is 2.34 au from the Sun and 2.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15131 |
| Provisional designation | 2000 ET54 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.69 hours |
| Absolute magnitude (H) | 13.85 |
| Orbital period | 4.23 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.30 – 2.93 au |
| Eccentricity | 0.119 |
| Inclination | 6.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.29 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alan
- (3695) Fiala
- (6227) Alanrubin
- (6860) Sims
- (7160) Tokunaga
- (7737) Sirrah
- (8110) Heath
- (9250) Chamberlin
- (9291) Alanburdick
- (10113) Alantitle
- (10204) Turing
- (10373) MacRobert
- (12431) Webster
All asteroids named after someone called Alan
Also discovered on 10 March 2000
- (15132) Steigmeyer
- (15145) Ritageorge
- (25858) Donherbert
- (26586) Harshaw
- (27381) Balasingam
- (27382) Justinbarber
- (27412) Teague
- (28568) Jacobjohnson
- (28569) Kallenbach
- (28575) McQuaid
- (30060) Davidseong
- (30061) Vishnushankar