(3224) Irkutsk Main-belt Asteroid

Discovered on 11 September 1977 by N. S. Chernykh at Nauchnyj.

Where Irkutsk is today

MercuryVenusEarthEarthMarsMarsIrkutskIrkutsk

Seen from above the solar system on 2026-10-14: Irkutsk is 2.42 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.

Facts

Number3224
Provisional designation1977 RL6
Orbit classMain-belt Asteroid
Diameter24.9 km (#1,700 largest of 17,440 named asteroids with a measured size)
Albedo0.0450
Rotation period33.0 hours
Spectral typeX
Absolute magnitude (H)11.72
Orbital period4.65 years
Semi-major axis2.79 au
Perihelion – aphelion2.33 – 3.24 au
Eccentricity0.163
Inclination4.31°
Closest distance between its orbit and Earth's (MOID)1.32 au

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

Also discovered on 11 September 1977

More named asteroids discovered by N. S. Chernykh