(4319) Jackierobinson Main-belt Asteroid

Discovered on 1 March 1981 by S. J. Bus at Siding Spring.

Jackie Robinson (1919-1972) was the first black major league baseball player in modern times. He joined the Brooklyn Dodgers in 1947 and was named league Most Valuable Player in 1949. After retiring from baseball he campaigned for civil rights and established a fund for minority scholarships.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Jackierobinson is today

MercuryVenusEarthEarthMarsMarsJackierobinsonJackierobinson

Seen from above the solar system on 2026-10-14: Jackierobinson is 2.85 au from the Sun and 3.09 au from Earth. Computed from JPL's orbital elements.

Facts

Number4319
Provisional designation1981 ER14
Orbit classMain-belt Asteroid
Diameter4.12 km (#12,450 largest of 17,440 named asteroids with a measured size)
Albedo0.344
Absolute magnitude (H)14.01
Orbital period3.58 years
Semi-major axis2.34 au
Perihelion – aphelion1.82 – 2.86 au
Eccentricity0.222
Inclination9.09°
Closest distance between its orbit and Earth's (MOID)0.809 au

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

Also named after someone called Jackie

Also discovered on 1 March 1981

More named asteroids discovered by S. J. Bus