(7770) Siljan Main-belt Asteroid

Discovered on 2 March 1992 by UESAC at La Silla.

Lake Siljan, located in the beautiful Swedish province Dalarna, is the largest impact crater in the country, measuring 50 km across. It was formed some 360 million years ago. Unsuccessful attempts were made to drill for oil and gas there.Naming citation (20000320/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Siljan is today

MercuryVenusEarthEarthMarsMarsSiljanSiljan

Seen from above the solar system on 2026-10-14: Siljan is 3.12 au from the Sun and 4.00 au from Earth. Computed from JPL's orbital elements.

Facts

Number7770
Provisional designation1992 EQ8
Orbit classMain-belt Asteroid
Rotation period6.68 hours
Absolute magnitude (H)12.73
Orbital period4.93 years
Semi-major axis2.90 au
Perihelion – aphelion2.66 – 3.13 au
Eccentricity0.0800
Inclination3.34°
Closest distance between its orbit and Earth's (MOID)1.66 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 2 March 1992

More named asteroids discovered by UESAC