(9000) Hal

(9000) Hal is an asteroid belonging to the asteroid belt discovered on May 3, 1981 by Edward L. G. Bowell from the Anderson Mesa Station in Flagstaff, United States.

Designation and name

Hal was originally designated as 1981 JO. Later, in 1999, he named himself after HAL 9000, the on-board computer from the novel 2001: A Space Odyssey by British writer Arthur C. Clarke (1917-2008).

Orbital characteristics

Hal orbits at an average distance from the Sun of 2.23 AU, being able to move as far as 2,697 AU and as close as 1,763 AU. She has an orbital inclination of 6.259 degrees and an eccentricity of 0.2094. It takes 1216 days to complete one orbit around the Sun. Hal's motion on the stellar background is 0.296 degrees per day.

Physical characteristics

Hal's absolute magnitude is 14 and its rotation period is 908 hours.