Missions

ECHOSTAR XI

Mission Profile

From its equatorial launch site at 154 degrees West Longitude, a Zenit-3SL launch vehicle lifted the 5,511 kg (12,150 lb) EchoStar XI spacecraft to Geosynchronous Transfer Orbit. The first stage of the vehicle separated two-and-a-half minutes after liftoff, with a jettison of the payload fairing 78 seconds later. After operating for six minutes, the second stage separated from the Block DM upper stage. The Block DM then operated for a five-minute burn. Following a 30-minute coast period, the Block DM burned a second time for six-and-a-half minutes. After the second burn, and nine-minute coast, the spacecraft separated from the upper stage over the Indian Ocean, off the East coast of Africa. A ground station at Gnangara (Perth), Australia, acquired the first signals from the spacecraft in orbit, a few minutes later.
 
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