(5102) Benfranklin Main-belt Asteroid

Discovered on 2 September 1986 by A. Mrkos at Klet.

Where Benfranklin is today

MercuryVenusEarthEarthMarsMarsBenfranklinBenfranklin

Seen from above the solar system on 2026-10-14: Benfranklin is 3.35 au from the Sun and 4.33 au from Earth. Computed from JPL's orbital elements.

Facts

Number5102
Provisional designation1986 RD1
Orbit classMain-belt Asteroid
Diameter16.7 km (#2,746 largest of 17,440 named asteroids with a measured size)
Albedo0.0410
Spectral typeB
Absolute magnitude (H)12.81
Orbital period4.68 years
Semi-major axis2.80 au
Perihelion – aphelion2.25 – 3.35 au
Eccentricity0.197
Inclination8.11°
Closest distance between its orbit and Earth's (MOID)1.26 au

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

Also discovered on 2 September 1986

More named asteroids discovered by A. Mrkos