(12395) Richnelson Outer Main-belt Asteroid

Discovered on 8 February 1995 by D. J. Asher at Siding Spring.

Richard Nelson (b. 1966) is well known for his work in developing computer simulations for n-body systems and applying these to planet formation, both in our solar system and in other systems.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Richnelson is today

MercuryVenusEarthEarthMarsMarsRichnelsonRichnelson

Seen from above the solar system on 2026-10-14: Richnelson is 3.19 au from the Sun and 2.82 au from Earth. Computed from JPL's orbital elements.

Facts

Number12395
Provisional designation1995 CD2
Orbit classOuter Main-belt Asteroid
Diameter16.0 km (#2,889 largest of 17,440 named asteroids with a measured size)
Albedo0.100
Rotation period5.25 hours
Absolute magnitude (H)12.26
Orbital period5.82 years
Semi-major axis3.23 au
Perihelion – aphelion3.06 – 3.41 au
Eccentricity0.0528
Inclination21.1°
Closest distance between its orbit and Earth's (MOID)2.05 au

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

Also named after someone called Richard

Also discovered on 8 February 1995

More named asteroids discovered by D. J. Asher