(7703) Jimcooney Main-belt Asteroid

Discovered on 7 September 1991 by E. F. Helin at Palomar.

James “Jim” Cooney (b. 1975) is an American award-winning senior lecturer of astronomy at the University of Vermont. His research interests include cosmology and the large-scale structure of the universe. He is a popular science communicator and co-host of the astronomy podcast Walkabout the Galaxy.Naming citation (WGSBN Bull. 5, #17, 14), IAU / Minor Planet Center, via NASA/JPL

Where Jimcooney is today

MercuryVenusEarthEarthMarsMarsJimcooneyJimcooney

Seen from above the solar system on 2026-10-14: Jimcooney is 2.03 au from the Sun and 1.13 au from Earth. Computed from JPL's orbital elements.

Facts

Number7703
Provisional designation1991 RW
Orbit classMain-belt Asteroid
Diameter7.19 km (#7,423 largest of 17,440 named asteroids with a measured size)
Albedo0.0490
Absolute magnitude (H)14.94
Orbital period3.50 years
Semi-major axis2.31 au
Perihelion – aphelion1.89 – 2.72 au
Eccentricity0.180
Inclination21.6°
Closest distance between its orbit and Earth's (MOID)0.910 au

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

Also discovered on 7 September 1991

More named asteroids discovered by E. F. Helin