(3189) Penza Main-belt Asteroid

Discovered on 13 September 1978 by N. S. Chernykh at Nauchnyj.

Where Penza is today

MercuryVenusEarthEarthMarsMarsPenzaPenza

Seen from above the solar system on 2026-10-14: Penza is 2.97 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.

Facts

Number3189
Provisional designation1978 RF6
Orbit classMain-belt Asteroid
Diameter10.7 km (#4,724 largest of 17,440 named asteroids with a measured size)
Albedo0.136
Absolute magnitude (H)12.93
Orbital period5.45 years
Semi-major axis3.10 au
Perihelion – aphelion2.49 – 3.71 au
Eccentricity0.196
Inclination8.23°
Closest distance between its orbit and Earth's (MOID)1.49 au

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

Also discovered on 13 September 1978

More named asteroids discovered by N. S. Chernykh