(10515) Old Joe Main-belt Asteroid

Discovered on 31 October 1989 by B. G. W. Manning at Stakenbridge.

“Old Joe” is the students' name for the Joseph Chamberlain Clock Tower at the University of Birmingham, which received its charter in 1900 and is now celebrating its centenary. Birmingham, England's “second city”, prospered from metal-working trades, from which enlightened industrialists founded the university.Naming citation (20000124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Old Joe is today

MercuryVenusEarthEarthMarsMarsOld JoeOld Joe

Seen from above the solar system on 2026-10-14: Old Joe is 2.13 au from the Sun and 1.14 au from Earth. Computed from JPL's orbital elements.

Facts

Number10515
Provisional designation1989 UB3
Orbit classMain-belt Asteroid
Diameter3.39 km (#14,243 largest of 17,440 named asteroids with a measured size)
Albedo0.463
Absolute magnitude (H)14.01
Orbital period4.13 years
Semi-major axis2.57 au
Perihelion – aphelion1.92 – 3.23 au
Eccentricity0.254
Inclination5.41°
Closest distance between its orbit and Earth's (MOID)0.937 au

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

Also named after someone called Joseph

Also discovered on 31 October 1989

More named asteroids discovered by B. G. W. Manning