(1789) Dobrovolsky Main-belt Asteroid

Discovered on 19 August 1966 by L. I. Chernykh at Nauchnyj.

Where Dobrovolsky is today

MercuryVenusEarthEarthMarsMarsDobrovolskyDobrovolsky

Seen from above the solar system on 2026-10-14: Dobrovolsky is 2.43 au from the Sun and 2.22 au from Earth. Computed from JPL's orbital elements.

Facts

Number1789
Provisional designation1966 QC
Orbit classMain-belt Asteroid
Diameter7.92 km (#6,664 largest of 17,440 named asteroids with a measured size)
Albedo0.185
Rotation period4.81 hours
Absolute magnitude (H)12.28
Orbital period3.29 years
Semi-major axis2.21 au
Perihelion – aphelion1.80 – 2.63 au
Eccentricity0.188
Inclination1.98°
Closest distance between its orbit and Earth's (MOID)0.782 au

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

More named asteroids discovered by L. I. Chernykh