(2039) Payne-Gaposchkin Main-belt Asteroid

Discovered on 14 February 1974 by Harvard Observatory at Harvard.

Where Payne-Gaposchkin is today

MercuryVenusEarthEarthMarsMarsPayne-GaposchkinPayne-Gaposchkin

Seen from above the solar system on 2026-10-14: Payne-Gaposchkin is 3.37 au from the Sun and 3.92 au from Earth. Computed from JPL's orbital elements.

Facts

Number2039
Provisional designation1974 CA
Orbit classMain-belt Asteroid
Diameter13.6 km (#3,515 largest of 17,440 named asteroids with a measured size)
Albedo0.0950
Rotation period27.6 hours
Absolute magnitude (H)12.83
Orbital period5.69 years
Semi-major axis3.19 au
Perihelion – aphelion2.80 – 3.58 au
Eccentricity0.122
Inclination2.52°
Closest distance between its orbit and Earth's (MOID)1.81 au

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

More named asteroids discovered by Harvard Observatory