(18285) Vladplatonov Main-belt Asteroid

Discovered on 14 April 1972 by L. I. Chernykh at Nauchnyj.

Vladimir Petrovich Platonov (b. 1938), well-known journalist and documentary-film director, is the author of many books, articles and films about the creators of space-rocket technologies and the many challenges in that field.Naming citation (20110615/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Vladplatonov is today

MercuryVenusEarthEarthMarsMarsVladplatonovVladplatonov

Seen from above the solar system on 2026-10-14: Vladplatonov is 3.00 au from the Sun and 2.03 au from Earth. Computed from JPL's orbital elements.

Facts

Number18285
Provisional designation1972 GJ
Orbit classMain-belt Asteroid
Diameter16.2 km (#2,832 largest of 17,440 named asteroids with a measured size)
Albedo0.0600
Rotation period8.10 hours
Absolute magnitude (H)12.88
Orbital period4.36 years
Semi-major axis2.67 au
Perihelion – aphelion2.33 – 3.01 au
Eccentricity0.127
Inclination12.4°
Closest distance between its orbit and Earth's (MOID)1.34 au

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

Also named after someone called Vladimir

Also discovered on 14 April 1972

More named asteroids discovered by L. I. Chernykh