(11455) Richardstarr Main-belt Asteroid

Discovered on 2 March 1981 by S. J. Bus at Siding Spring.

Richard Starr (b. 1950) of the Catholic University of America is an expert in planetary X-ray, gamma-ray, and neutron spectroscopy, including their application to asteroid missions.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL

Where Richardstarr is today

MercuryVenusEarthEarthMarsMarsRichardstarrRichardstarr

Seen from above the solar system on 2026-10-14: Richardstarr is 3.10 au from the Sun and 2.27 au from Earth. Computed from JPL's orbital elements.

Facts

Number11455
Provisional designation1981 EN4
Orbit classMain-belt Asteroid
Diameter5.13 km (#10,383 largest of 17,440 named asteroids with a measured size)
Albedo0.558
Rotation period17.4 hours
Absolute magnitude (H)13.27
Orbital period5.36 years
Semi-major axis3.06 au
Perihelion – aphelion2.93 – 3.19 au
Eccentricity0.0425
Inclination9.88°
Closest distance between its orbit and Earth's (MOID)1.95 au

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

Also named after someone called Richard

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus