Spaceflight Now: Proton launch report

Sirius 2 launch timeline
SPACEFLIGHT NOW
Posted: September 4, 2000



Event Time (h:mm:ss)
Stage one ignition T-0:00:01.6
Begin stage one thrust to 100% T-0:00:00
Liftoff T+0:00:00.57
Stage one thrust to 100% T+0:00:01
Maximum dynamic pressure T+0:01:10
Stage two ignition T+0:02:00
Stage one/two separation T+0:02:06.7
Stage two engine shut down T+0:05:30.0
Stage two/three separation T+0:05:32.0
Stage three main engine ignition T+0:05:35.0
Payload fairing jettison T+0:05:44
Stage three main engine shutdown T+0:09:30
Stage three/Block DM upper stage separation T+0:09:49
Block DM first burn ignition T+0:43:50
Block DM first burn shutdown T+0:49:55
Block DM second burn ignition T+2:03:17
Block DM second burn shutdown T+2:05:10
Block DM/Sirius 2 payload separation T+2:25:10

Data source: International Launch Services.
Flight data file
Vehicle: Proton/Block DM
Payload: Sirius 2
Launch date: Sept. 5, 2000
Launch window: 0943:58 GMT (5:43:58 a.m. EDT)
Launch site: LC 81, Pad 23, Baikonur Cosmodrome, Kazakhstan

Pre-launch briefing
Proton - Description of the Russian-made rocket used in this launch.

Sirius - Learn more about the Sirius Satellite Radio system, the spacecraft and orbits.

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