(310120) Mullaney Main-belt Asteroid
Discovered on 1 December 2005 by R. L. Millis L. H. Wasserman at Kitt Peak.
James Mullaney (b. 1940) is an American astronomy popularizer who has written about observing the night sky with naked eye, binoculars, and telescope. A former Curator of the Buhl Planetarium, staff astronomer at Allegheny Observatory, and an editor for Sky & Telescope and Astronomy, he contributed to Carl Sagan's Cosmos TV series.Naming citation (WGSBN Bull. 5, #23, 10), IAU / Minor Planet Center, via NASA/JPL
Where Mullaney is today
Seen from above the solar system on 2026-10-14: Mullaney is 2.89 au from the Sun and 2.76 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 310120 |
| Provisional designation | 2011 DR25 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.71 |
| Orbital period | 5.44 years |
| Semi-major axis | 3.09 au |
| Perihelion – aphelion | 2.74 – 3.44 au |
| Eccentricity | 0.114 |
| Inclination | 0.627° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called James
- (4445) Jimstratton
- (5310) Papike
- (5594) Jimmiller
- (5625) Jamesferguson
- (5627) Short
- (5680) Nasmyth
- (5961) Watt
- (6130) Hutton
- (6758) Jesseowens
- (8146) Jimbell
- (8621) Jimparsons
- (9007) James Bond
All asteroids named after someone called James
Also discovered on 1 December 2005
- (150046) Cynthiaconrad
- (204632) Jamesburch
- (207394) Rickfitzgerald
- (224591) Fattig
- (233214) Gailoxton
- (329018) Neufeld
- (352782) Karelschrijver
- (565139) Sumshchyna