(8815) Deanregas Main-belt Asteroid

Discovered on 23 February 1984 by H. Debehogne at La Silla.

Dean Regas (b. 1973) has been Cincinnati Observatory Center's outreach astronomer since 2000 and an educator to thousands. He has been the co-host of the iconic PBS show Star Gazers since 2010. Name suggested by F. N. Bowman.Naming citation (WGSBN Bull. 3, #13, 12), IAU / Minor Planet Center, via NASA/JPL

Where Deanregas is today

MercuryVenusEarthEarthMarsMarsDeanregasDeanregas

Seen from above the solar system on 2026-10-14: Deanregas is 2.24 au from the Sun and 1.66 au from Earth. Computed from JPL's orbital elements.

Facts

Number8815
Provisional designation1984 DR
Orbit classMain-belt Asteroid
Diameter4.53 km (#11,567 largest of 17,440 named asteroids with a measured size)
Albedo0.285
Rotation period5.57 hours
Absolute magnitude (H)14.0
Orbital period3.38 years
Semi-major axis2.25 au
Perihelion – aphelion1.94 – 2.56 au
Eccentricity0.138
Inclination5.80°
Closest distance between its orbit and Earth's (MOID)0.966 au

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

Also named after someone called Dean

Also discovered on 23 February 1984

More named asteroids discovered by H. Debehogne