(21811) Burroughs Main-belt Asteroid
Discovered on 5 October 1999 by R. A. Tucker at Goodricke-Pigott.
The fantasy novels of Edgar Rice Burroughs (1875-1950) have fired the imaginations of generations of readers and inspired numerous motion pictures. His most enduring and popular fictional character is Tarzan of the Apes.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Burroughs is today
Seen from above the solar system on 2026-10-14: Burroughs is 3.49 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21811 |
| Provisional designation | 1999 TR20 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.42 km (#6,210 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0570 |
| Absolute magnitude (H) | 14.18 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.86 – 3.51 au |
| Eccentricity | 0.102 |
| Inclination | 5.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Edgar
All asteroids named after someone called Edgar
Also discovered on 5 October 1999
- (22952) Hommasachi
- (40763) Zloch
- (40775) Kalafina
- (40795) Akiratsuchiyama
- (91607) Delaboudiniere
- (102234) Olivebyrne