Sirius XM-4

Launch data: Designation  29520 / 06049A Launch date  30 Oct 2006 Launch site  SL, Launch vehicle  Zenith-3SL Mission   Geostationary orbit: Perigee / Apogee  35785 x 35786 km Eccentricity   Inclination  0.0 deg Period  1436.1 min

Mission details:

• XM-4 is an American geostationary satellite that was launched by a Zenit 3SL rocket from the floating platform, Odyssey parked on the equatorial Pacific ocean at 154° W longitude, at 23:49 UT on 30 October 2006. The 5.2 tonne (with fuel) craft carries an 18 kW transponder to provide S-band Digital Audio Radio Service (DARS) to homes and automobiles in North America, after parking over 115° W longitude.

Satellite tracking: