(21958) Tripuraneni Main-belt Asteroid
Discovered on 15 November 1999 by LINEAR at Socorro.
Nilesh Tripuraneni (b. 1991) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the Kastner Intermediate School, Fresno, California.Naming citation (20051019/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tripuraneni is today
Seen from above the solar system on 2026-10-14: Tripuraneni is 2.39 au from the Sun and 2.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21958 |
| Provisional designation | 1999 VU185 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.05 km (#12,628 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.271 |
| Absolute magnitude (H) | 14.3 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.29 – 2.81 au |
| Eccentricity | 0.103 |
| Inclination | 9.35° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nilesh
All asteroids named after someone called Nilesh
Also discovered on 15 November 1999
- (13425) Waynebrown
- (23014) Walstein
- (23016) Michaelroche
- (23017) Advincula
- (23018) Annmoriarty
- (24149) Raghavan
- (24152) Ramasesh
- (24153) Davidalex
- (24154) Ayonsen
- (24155) Serganov
- (24156) Hamsasridhar
- (25430) Ericlarson