(4940) Polenov Main-belt Asteroid

Discovered on 18 August 1986 by L. G. Karachkina at Nauchnyj.

Where Polenov is today

MercuryVenusEarthEarthMarsMarsPolenovPolenov

Seen from above the solar system on 2026-10-14: Polenov is 3.19 au from the Sun and 3.78 au from Earth. Computed from JPL's orbital elements.

Facts

Number4940
Provisional designation1986 QY4
Orbit classMain-belt Asteroid
Diameter17.8 km (#2,531 largest of 17,440 named asteroids with a measured size)
Albedo0.0810
Rotation period4.16 hours
Absolute magnitude (H)12.31
Orbital period5.47 years
Semi-major axis3.10 au
Perihelion – aphelion2.56 – 3.65 au
Eccentricity0.177
Inclination2.29°
Closest distance between its orbit and Earth's (MOID)1.56 au

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

More named asteroids discovered by L. G. Karachkina