Intelsat IS-21

Spacecraft nr:

Intelsat spacecraft nr:

Launch data: Designation  38749 / 12045A Launch date  19 Aug 2012 - 06:55 UT Launch site  SL Odyssey, Pacific Launch vehicle  Zenith-3SL Mission  Commercial: Communication Geostationary orbit: Perigee / Apogee  35774 x 35811 km Eccentricity  4,39E-04 Inclination  0.06 deg Period  1436.39 min

Description:

• INTELSAT 21 is a telecommunications satellite for broadcasting cable and direct-to-home TV programming across Latin America and the Caribbean. The 13,192-pound (5,984-kg) satellite was built by Boeing using the 702MP medium-power spacecraft design and life expectancy of 15 year or more. It is equipped with a communications package of 36 Ku-band and 24 C-band transponders for video, radio, data and telephone relay services.

Mission details:

• Energia Logistics Ltd. (US) carried out the launch of a Zenit-3SL rocket from the Sea Launch Odyssey platform in the Pacific. The Blok DM-SL No. 34 stage made a single burn to a 255 x 35583 km x 0.1 deg geostationary transfer orbit, delivering a Boeing 702MP communications satellite. The Intelsat IS-21 satellite will replace IS-9 and provide western hemisphere coverage.