(4931) Tomsk Main-belt Asteroid

Discovered on 11 February 1983 by Debehogne, H., De Sanctis, G. at La Silla.

Where Tomsk is today

MercuryVenusEarthEarthMarsMarsTomskTomsk

Seen from above the solar system on 2026-10-14: Tomsk is 2.91 au from the Sun and 2.78 au from Earth. Computed from JPL's orbital elements.

Facts

Number4931
Provisional designation1983 CN3
Orbit classMain-belt Asteroid
Diameter7.62 km (#6,982 largest of 17,440 named asteroids with a measured size)
Albedo0.328
Rotation period9.27 hours
Absolute magnitude (H)12.58
Orbital period4.15 years
Semi-major axis2.58 au
Perihelion – aphelion1.85 – 3.31 au
Eccentricity0.281
Inclination23.2°
Closest distance between its orbit and Earth's (MOID)1.01 au

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

Also discovered on 11 February 1983

More named asteroids discovered by Debehogne, H., De Sanctis, G.