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The fourth flight of the Falcon 1 rocket successfully flew on 28 September 2008, delivering a 165-kilogram (363-pound) non-functional boilerplate spacecraft into low Earth orbit. It was Falcon 1's first successful launch and the first successful orbital launch of any privately funded and developed, liquid-propelled carrier rocket.
The launch occurred from Omelek Island, part of the Kwajalein Atoll in the Marshall Islands.[58] Liftoff occurred at 23:15 UTC on 28 September 15 minutes into a 5-hour launch window. If the launch had been scrubbed, it could have been conducted during the same window until 1 October.[59] 9 minutes 31 seconds after launch, the second-stage engine shut down, after the vehicle reached orbit.[58] The initial orbit was reported to be about 330 × 650 km.[57] Following a coast period, the second stage restarted and performed a successful second burn, resulting in a final orbit of 621 × 643 km × 9.35°.
The rocket followed the same trajectory as the previous flight, which failed to place the Trailblazer, NanoSail-D, PRESat and Celestis Explorers spacecraft into orbit. No major changes were made to the rocket, other than increasing the time between first-stage burnout and second-stage separation. This minor change addressed the failure seen on the previous flight, recontact between the first and second stages, by dissipating residual thrust in the first-stage engine before separating them
https://en.wikipedia.org/wiki/Falcon_...
4th flight of SpaceX Falcon 1 rocket, 28 September 2008 - first ever private orbital launch technology stocks | |
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