T-00:00 |
PS1 Ignition |
The PSLV's solid-fueled first stage motor ignites when the countdown clock reaches zero. |
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T+00:00.46 |
Ground-lit Booster Ignition |
Four of the PSLV's six strap-on boosters ignite in pairs two-tenths of a second apart at T+plus 0.46 seconds and T+plus 0.66 seconds to push the 146-foot-tall rocket off the pad atop 1.7 million pounds of thrust. |
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T+00:25 |
Air-lit Booster Ignition |
Two more 39-foot-long strap-on motors ignite at an altitude of nearly 8,800 feet to give the PSLV an extra boost. |
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T+01:10 |
Ground-lit Booster Separation |
The PSLV's four ground-lit boosters burn out and jettison, leaving the first stage and two air-lit boosters to continue firing. |
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T+01:32 |
Air-lit Booster Separation |
The PSLV's two air-lit boosters burn out and jettison at an altitude of more than 24 miles. |
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T+01:52 |
First Stage Separation/Second Stage Ignition |
Flying at an altitude of nearly 36 miles, the PSLV's solid-fueled first stage burns out and separates after consuming more than 300,000 pounds of propellant. The PSLV's Vikas second stage engine ignites less than a second later. |
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T+01:57 |
Closed-loop Guidance |
The PSLV initiates closed-loop guidance. |
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T+03:21 |
Payload Fairing Jettison |
The 3.2-meter, or 10.5-foot, diameter aluminum payload fairing jettisons once the PSLV flys above the dense lower atmosphere, exposing the Mars orbiter to space. |
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T+04:24 |
Second Stage Separation |
The PSLV's Vikas engine shuts down and the second stage separates at the conclusion of its burn at an altitude of 82 miles. |
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T+04:25 |
Third Stage Ignition |
The PSLV's third stage solid-fueled motor begins a 112-second burn. |
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T+09:43 |
Third Stage Separation |
The PSLV's third stage separates from the fourth stage, beginning a 25-minute coast period before the fourth stage fires to complete the powered phase of the launch. |
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T+35:00 |
Fourth Stage Ignition |
The PSLV's fourth stage, powered by two hydrazine-fueled engines, ignites to propel the Mars orbiter into an elliptical transfer orbit. The burn will last 8 minutes, 39 seconds. |
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T+43:39 |
Fourth Stage Shutdown |
The fourth stage shuts down after achieving an orbit with a perigee of 155 miles, an apogee of 14,602 miles and an inclination of 19.2 degrees. |
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T+44:16 |
Spacecraft Separation |
The PSLV fourth stage deploys the Mars Orbiter Mission spacecraft. |
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