(20821) Balasridhar Main-belt Asteroid
Discovered on 24 October 2000 by LINEAR at Socorro.
Balaji Sridhar (b. 1987) was awarded second place in the 2004 Intel International Science and Engineering Fair for his environmental science project. He attends the Cherry Creek High School, Englewood, Colorado, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Balasridhar is today
Seen from above the solar system on 2026-10-14: Balasridhar is 2.60 au from the Sun and 3.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20821 |
| Provisional designation | 2000 UT5 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.39 |
| Orbital period | 3.56 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 2.01 – 2.65 au |
| Eccentricity | 0.136 |
| Inclination | 6.82° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 October 2000
- (19855) Borisalexeev
- (19860) Anahtar
- (19861) Auster
- (20822) Lintingnien
- (20823) Liutingchun
- (20828) Linchen
- (20830) Luyajia
- (20831) Zhangyi
- (20832) Santhikodali
- (20834) Allihewlett
- (20835) Eliseadcock
- (20836) Marilytedja