(1254) Erfordia Main-belt Asteroid

Discovered on 10 May 1932 by J. Hartmann at La Plata.

Where Erfordia is today

MercuryVenusEarthEarthMarsMarsErfordiaErfordia

Seen from above the solar system on 2026-10-14: Erfordia is 3.08 au from the Sun and 4.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number1254
Provisional designation1932 JA
Orbit classMain-belt Asteroid
Diameter51.5 km (#715 largest of 17,440 named asteroids with a measured size)
Albedo0.0320
Rotation period12.3 hours
Absolute magnitude (H)10.68
Orbital period5.55 years
Semi-major axis3.14 au
Perihelion – aphelion3.06 – 3.21 au
Eccentricity0.0245
Inclination7.09°
Closest distance between its orbit and Earth's (MOID)2.07 au

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

More named asteroids discovered by J. Hartmann