(21932) Rios Main-belt Asteroid
Discovered on 4 November 1999 by LINEAR at Socorro.
Roberto Andres Rios (b. 1990) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the Southwestern Educational Society, Mayaguez, Puerto Rico.Naming citation (20051019/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rios is today
Seen from above the solar system on 2026-10-14: Rios is 3.08 au from the Sun and 4.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21932 |
| Provisional designation | 1999 VP65 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.83 km (#13,159 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.303 |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 4.90 years |
| Semi-major axis | 2.89 au |
| Perihelion – aphelion | 2.67 – 3.10 au |
| Eccentricity | 0.0759 |
| Inclination | 3.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roberto
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- (7323) Robersomma
- (7794) Sanvito
- (8742) Bonazzoli
- (9478) Caldeyro
- (10579) Diluca
- (10590) Ragazzoni
- (12470) Pinotti
- (14919) Robertohaver
- (14964) Robertobacci
- (16996) Dahir
- (19224) Orosei
All asteroids named after someone called Roberto
Also discovered on 4 November 1999
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- (13435) Rohret
- (13825) Booth
- (16102) Barshannon
- (20686) Thottumkara
- (20687) Saletore
- (20688) Sandroricardo
- (20689) Zhuyuanchen
- (20690) Crivello
- (21924) Alyssaovaitt
- (21925) Supasternak
- (21926) Jacobperry