XM-4

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XM-4 is classified as:

Geostationary
TV

NORAD ID: 29520

Int'l Code: 2006-049A

Perigee: 36,177.9 km

Apogee: 36,237.6 km

Inclination: 2.0 °

Period: 1,457.3 minutes

Semi major axis: 42578 km

RCS: 15.8489 m² (large)

Launch date: October 30, 2006
Source: United States (US)
Launch site: SEA LAUNCH (SEAL)

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.

1 29520U 06049A   25199.37822714  .00000030  00000-0  00000-0 0  9990
2 29520   1.9751  85.4869 0007012 325.8054 241.5151  0.98812864 48041

Source of the keplerian elements: AFSPC