T+00:05 |
Liftoff |
The Zenit 3SL rocket lifts off from the Odyssey launch platform on thw power of its RD-171 main engine. |
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T+01:07 |
Max-Q |
The 200-foot-tall rocket passes through the phase of flight with the most aerodynamic pressure on the vehicle. |
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T+1:56 |
Maximum acceleration |
The Zenit 3SL rocket reaches 3.9g, the point of peak acceleration during its flight. |
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T+02:30 |
First stage separation |
The Zenit 3SL's first stage completes its role in the launch and separates at an altitude of 43 miles. The second stage's RD-120 engine ignites to generate 200,000 pounds of thrust. |
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T+03:52 |
Fairing jettison |
The clamshell-like 13.4-foot-diameter payload fairing surrounding the Intelsat 27 satellite is released at an altitude of 73 miles. |
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T+08:31 |
Second stage separation |
After consuming its kerosene and liquid oxygen propellant, the Zenit 3SL's second stage shuts down and separates, leaving the Block DM-SL upper stage to complete the mission. |
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T+08:41 |
Block DM-SL ignition |
The Block DM-SL upper stage fires for its 11-minute, 39-second burn to inject the Intelsat 27 satellite into geosynchronous transfer orbit. |
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T+20:20 |
Injection |
The Block DM-SL upper stage and the Intelsat 27 spacecraft reach an orbit with an apogee of 22,027 miles, a perigee of 121 miles, and an inclination of 0 degrees. |
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T+30:10 |
Spacecraft separation |
The Intelsat 27 satellite separates from the Block DM-SL upper stage. |
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