(20644) Amritdas Main-belt Asteroid
Discovered on 7 October 1999 by LINEAR at Socorro.
Amrit Das (b. 1987) was awarded first place in the 2004 Intel International Science and Engineering Fair for his botany team project. He attends the Manhasset High School, Manhasset, New York, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Amritdas is today
Seen from above the solar system on 2026-10-14: Amritdas is 2.80 au from the Sun and 2.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20644 |
| Provisional designation | 1999 TN144 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.04 km (#12,639 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.206 |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.65 – 2.83 au |
| Eccentricity | 0.0325 |
| Inclination | 0.778° |
| Closest distance between its orbit and Earth's (MOID) | 1.65 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 October 1999
- (12931) Mario
- (16089) Lamb
- (16090) Lukaszewski
- (16091) Malchiodi
- (19704) Medlock
- (20643) Angelicaliu
- (20645) Ryderstrauss
- (20646) Nikhilgupta
- (20647) Ryujiokazaki
- (21850) Abshir
- (21852) Bolander
- (21853) Kelseykay