(2473) Heyerdahl Main-belt Asteroid

Discovered on 12 September 1977 by N. S. Chernykh at Nauchnyj.

Where Heyerdahl is today

MercuryVenusEarthEarthMarsMarsHeyerdahlHeyerdahl

Seen from above the solar system on 2026-10-14: Heyerdahl is 2.54 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.

Facts

Number2473
Provisional designation1977 RX7
Orbit classMain-belt Asteroid
Diameter4.93 km (#10,732 largest of 17,440 named asteroids with a measured size)
Albedo0.381
Rotation period47.8 hours
Absolute magnitude (H)13.27
Orbital period3.36 years
Semi-major axis2.24 au
Perihelion – aphelion1.94 – 2.54 au
Eccentricity0.135
Inclination5.19°
Closest distance between its orbit and Earth's (MOID)0.954 au

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

Also discovered on 12 September 1977

More named asteroids discovered by N. S. Chernykh