(7771) Tvaren Main-belt Asteroid
Discovered on 2 March 1992 by UESAC at La Silla.
Tvären is a kilometer-sized bay close to Studsvik in Sweden. The maximum depth is 85 meters, and it constitutes an Ordovician impact crater.Naming citation (20000320/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tvaren is today
Seen from above the solar system on 2026-10-14: Tvaren is 2.66 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7771 |
| Provisional designation | 1992 EZ9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.17 km (#8,677 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Absolute magnitude (H) | 13.53 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.61 – 2.72 au |
| Eccentricity | 0.0207 |
| Inclination | 4.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.60 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1992
- (5357) Sekiguchi
- (7770) Siljan
- (8677) Charlier
- (8679) Tingstade
- (8680) Rone
- (8681) Burs
- (8682) Kraklingbo
- (8683) Sjolander
- (10104) Hoburgsgubben
- (10545) Kallunge
- (10796) Sollerman
- (11907) Naranen