It was discovered on 10 February 1999, by astronomers Walter Cooney and Ethan Kandler at the Highland Road Park Observatory, in Baton Rouge, Louisiana, United States.
Members of the Adeona family are typically carbonaceous C-type asteroids,[6]: 23 which Terrell's albedo agrees with.
The asteroid's rotation period, poles and shape remain unknown.
[7] This minor planet was named after American Dirk Terrell (born 1965), an astrophysicist, writer, space artist, and mentor of amateur astronomers.
[2] The official naming citation was published by the Minor Planet Center on 18 September 2005 (M.P.C.