(4071) Rostovdon Outer Main-belt Asteroid

Discovered on 7 September 1981 by L. G. Karachkina at Nauchnyj.

Where Rostovdon is today

MercuryVenusEarthEarthMarsMarsRostovdonRostovdon

Seen from above the solar system on 2026-10-14: Rostovdon is 3.10 au from the Sun and 2.97 au from Earth. Computed from JPL's orbital elements.

Facts

Number4071
Provisional designation1981 RD2
Orbit classOuter Main-belt Asteroid
Diameter26.0 km (#1,615 largest of 17,440 named asteroids with a measured size)
Albedo0.0500
Rotation period282 hours
Absolute magnitude (H)12.05
Orbital period5.74 years
Semi-major axis3.21 au
Perihelion – aphelion2.71 – 3.71 au
Eccentricity0.157
Inclination11.0°
Closest distance between its orbit and Earth's (MOID)1.73 au

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

Also discovered on 7 September 1981

More named asteroids discovered by L. G. Karachkina