(15550) Sydney

Template: Infobox Asteroid / Maintenance / Error 2

( 15550 ) Sydney is a main belt asteroid of the outer, which was discovered on 31 March 2000 by Australian amateur astronomer John Broughton at Reedy Creek Observatory ( IAU code 428). The observatory is located in the district of Reedy Creek the city of Gold Coast in Queensland.

The asteroid is part of the Eos family, a group of asteroids, which typically have semi-major axes from 2.95 to 3.1 AE, bounded on the inside of the Kirkwood gap in the 7:3 resonance with Jupiter, and orbital inclinations between 8 ° and 12 degrees. The group is named after the asteroid (221 ​​) Eos. It is believed that the family was created over one billion years ago by a collision. The timeless ( nichtoskulierenden ) orbital elements of ( 15550 ) Sydney are almost identical with those of three smaller (if one of the absolute brightness of 14.5, 14.3 and 15.3 compared with 13.1 runs out ) asteroids: ( 69199 ) 1278 T -2 ( 113 772 ) in 2002 and TK183 ( 274 018 ) in 2007 RB6.

( 15550 ) Sydney was named after Sydney on 9 May 2001, the largest city in Australia. Sydney is the birthplace of John Broughton.