15574

15574 is a minor planet in the asteroid belt, discovered on 1996-09-13 by Spacewatch at Kitt Peak. It is approximately 10 kilometers in diameter and has an orbital period of about 4.2 years. The asteroid is classified as an S-type, which means it has a stony composition. Its orbit is moderately eccentric and inclined, with an average distance from the Sun of about 2.6 astronomical units. The asteroid's rotation period is approximately 3.6 hours. 15574 was named after the American astronomer and planetary scientist Michael E. Brown, who has made significant contributions to the study of the outer solar system and the Kuiper belt. The naming citation was published on 2003-05-06 (M.P.C. 48494).