(21290) Vydra Main-belt Asteroid
Discovered on 9 November 1996 by Tichy, M., Moravec, Z. at Klet.
The Vydra river, headstream of the Otava river, is the wild Šumava mountain river with a stony bed that runs through the Povydří reserve (Vydra Valley).Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Vydra is today
Seen from above the solar system on 2026-10-14: Vydra is 2.53 au from the Sun and 1.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21290 |
| Provisional designation | 1996 VR1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.15 |
| Orbital period | 4.37 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.53 – 2.82 au |
| Eccentricity | 0.0541 |
| Inclination | 15.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.57 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.