(20688) Sandroricardo Main-belt Asteroid
Discovered on 4 November 1999 by LINEAR at Socorro.
Sandro Ricardo de Souza (b. 1974) is a Brazilian high-school teacher in the state of Espírito Santo, Brazil. He worked on the effects of planetary migration to explain the orbit of Mercury and to trigger the formation of the Moon.Naming citation (WGSBN Bull. 6, #11, 32), IAU / Minor Planet Center, via NASA/JPL
Where Sandroricardo is today
Seen from above the solar system on 2026-10-14: Sandroricardo is 2.73 au from the Sun and 2.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20688 |
| Provisional designation | 1999 VR62 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.42 km (#6,212 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.207 |
| Rotation period | 4.66 hours |
| Absolute magnitude (H) | 12.79 |
| Orbital period | 5.61 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.56 – 3.76 au |
| Eccentricity | 0.191 |
| Inclination | 5.51° |
| Closest distance between its orbit and Earth's (MOID) | 1.56 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sandro
All asteroids named after someone called Sandro
Also discovered on 4 November 1999
- (13434) Adamquade
- (13435) Rohret
- (13825) Booth
- (16102) Barshannon
- (20686) Thottumkara
- (20687) Saletore
- (20689) Zhuyuanchen
- (20690) Crivello
- (21924) Alyssaovaitt
- (21925) Supasternak
- (21926) Jacobperry
- (21927) Sarahpierz