(215016) Catherinegriffin Main-belt Asteroid

Discovered on 21 October 2008 by D. Grennan at Raheny.

Catherine Grennan (née Griffin, 1939-2004) was the mother of the discoverer. She encouraged his interest in amateur astronomy, and this led to the discovery of this minor planet.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Catherinegriffin is today

MercuryVenusEarthEarthMarsMarsCatherinegriffinCatherinegriffin

Seen from above the solar system on 2026-10-14: Catherinegriffin is 2.41 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.

Facts

Number215016
Provisional designation2008 US3
Orbit classMain-belt Asteroid
Diameter3.51 km (#13,939 largest of 17,440 named asteroids with a measured size)
Albedo0.0830
Absolute magnitude (H)15.9
Orbital period4.00 years
Semi-major axis2.52 au
Perihelion – aphelion2.36 – 2.68 au
Eccentricity0.0648
Inclination13.7°
Closest distance between its orbit and Earth's (MOID)1.40 au

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

Also named after someone called Catherine

Also discovered on 21 October 2008