Seen them countless times because I live 14 miles from the Cape. The booster returned but the second stage did not burn. It was LIGHTS OUT at separation. The rocket took a very steep trajectory, at least 20 degrees to vertical from normal. Rocket went dark at the end of first stage and the booster could be seen. Sonic boom confirmed on booster re-entry, but no way satellite could have been deployed. A very bizarre phenomenon when compared to all prior launches.
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Morbo ago
Found this on the SpaceX website:
It doesn't sound like stage 2 was meant to do anything on this launch. The point seems to be landing stage 1 at the Cape.
Oh_Well_ian ago
sure... but that would be like going back 3 years. The booster return has been successfully accomplished many times. This was supposed to be top secret payload.
it's very weird
Morbo ago
Just saw the video. Stage 2 did do something but they opted not to show it. They said the fairings portion of the video would not be shown so it might have something to do with that operation. Whatever is on stage 2 is not typical as they did say that after the stage 1 back burn that stage 2 and ZUMA would be continuing on to their final orbits. This occurred at about 118 miles altitude. Stage 2 and ZUMA may not use a chemical propulsion system that would be visible so who knows what happened here. They didn't act like there was any issues so whatever the payload is survived and is doing its secret things. The stage 1 landing was a secondary mission according to the announcer. ZUMA is likely something very exotic. Could be related to the X-37 projects but who the hell knows outside of the privileged few.
Oh_Well_ian ago
update !! https://arstechnica.com/science/2018/01/the-zuma-satellite-launched-by-spacex-may-be-lost-sources-tell-ars/