T-08:00:00 |
Countdown Begins |
The countdown for CryoSat 2's launch begins eight hours before liftoff. |
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T-06:00:00 |
Spacecraft Switch-on |
CryoSat 2 is turned on about six hours before launch to begin comprehensive health checks to verify the spacecraft is ready for flight. |
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T-02:00:00 |
A-Team On Console |
The primary CryoSat control team, called the A-Team, arrives on console at the European Space Operations Center in Darmstadt, Germany. |
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T-01:40:00 |
Launch Mode |
CryoSat 2 is put in launch mode. |
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T-00:50:00 |
Internal Power |
The payload is transitioned to internal power 50 minutes before launch. |
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T-00:15:00 |
Start Automated Sequence |
The Dnepr rocket's automatic launch sequence begins 15 minutes before launch. |
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T-00:02:56 |
Press Start Button |
The "Start" button is pressed inside the Dnepr launch control center. |
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T-00:00:00 |
Go Inertial |
The Dnepr's guidance system is locked into inertial mode when clocks reach zero. |
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T+00:00:04 |
First Stage Ignition |
After a black powder charge pushes the Dnepr rocket out of an underground silo, the launcher's first stage RD-264 engine ignites to begin the flight. |
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T+00:01:50 |
Jettison First Stage |
The first stage separates from the Dnepr second stage, another unmodified component from the SS-18 ballistic missile. |
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T+00:05:09 |
Jettison Payload Fairing |
The shroud surrounding the CryoSat 2 satellite during the early portions of the launch is jettisoned about five minutes into the flight. |
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T+05:54 |
Jettison Second Stage |
The Dnepr rocket's second and third stage separate. The third stage will next ignite and turn 180 degrees to be positioned in front of CryoSat 2 to drag the payload the final leg to orbit. |
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T+00:16:28 |
CryoSat 2 Separation |
The CryoSat 2 spacecraft is deployed from the Dnepr third stage. |
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T+00:17:00 |
AOS Malindi |
A few seconds after CryoSat 2's S-band transmitter is turned on, the satellite's radio signal should be detected by a ground station in Malindi, Kenya. |
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