Also known as XM Rock
13.3 kw Digital Audio Radio, 2 active S-band transponders, each w/16 active (6 spare) 228-w TWTAs. Backup satellite for XM 4 (XM Blues). Relocated to 27 deg. W.L. +/- 0.1 deg., where it will be positioned for up to four months in preparation for its removal to a disposal orbit.