[6]: 23 It orbits the Sun in the inner main-belt at a distance of 2.0–2.8 AU once every 3 years and 9 months (1,371 days).
[1] The body's observation arc begins with a precovery taken by Spacewatch at Kitt Peak Observatory in January 1997, more than four years prior to its official discovery observation at Lincoln Lab's ETS.
[7] This minor planet was named in memory of English novelist Douglas Adams (1952–2001), because its provisional designation 2001 DA42 happened to contain the year of his death, his initials, and the Answer to the Ultimate Question of Life, the Universe, and Everything (42), as given in his novel serial The Hitchhiker's Guide to the Galaxy.
[2] The official naming citation was published by the Minor Planet Center on 25 January 2005 (M.P.C.
[8] The asteroid 18610 Arthurdent, discovered by Felix Hormuth in 1998, was named after the bewildered hero of Douglas Adams's The Hitchhiker's Guide to the Galaxy.