(1810) Epimetheus Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Epimetheus is today

MercuryVenusEarthEarthMarsMarsEpimetheusEpimetheus

Seen from above the solar system on 2026-10-14: Epimetheus is 2.32 au from the Sun and 1.76 au from Earth. Computed from JPL's orbital elements.

Facts

Number1810
Provisional designation4196 P-L
Orbit classMain-belt Asteroid
Diameter7.67 km (#6,921 largest of 17,440 named asteroids with a measured size)
Albedo0.274
Rotation period28.6 hours
Absolute magnitude (H)12.63
Orbital period3.32 years
Semi-major axis2.22 au
Perihelion – aphelion2.02 – 2.43 au
Eccentricity0.0920
Inclination4.03°
Closest distance between its orbit and Earth's (MOID)1.04 au

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

Also discovered on 24 September 1960

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.