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Questions regarding the Falcon launch vehicle developed by SpaceX for medium payloads (15,000 lbs) to LEO and GEO (via GTO, second stage cannot inject into GEO direct)

2
votes
Three things happen in sequence at the end of the final burn: Check the orbit, which involves some measurement time to get doppler and/or radar readings Set the spacecraft attitude so it's pointing …
answered Mar 30 '18 by Bob Jacobsen
14
votes
The most recent Falcon9 landing burns have used three engines (more engines makes for a more fuel-efficient landing, although it also requires a lot more precision). The three are in a straight line, …
answered Dec 6 '18 by Bob Jacobsen
27
votes
It is unlawful for any person who is subject to the jurisdiction or control of the United States, directly or through any subsidiary or affiliate to operate a private remote sensing space system wi …
answered Mar 30 '18 by Bob Jacobsen
6
votes
The thing circled in the photo is a LOX vent. The puffy white snow-like stuff is solid oxygen. It was described at T+1.05:25 in the Iridium-6/GRACE-FO webcast.
answered May 23 '18 by Bob Jacobsen
1
vote
Here's an example from a June 2018 (planned) launch of Falcon 9. See page 9. Googling for the two phrases: "Local Notice to Mariners" "Eastern Range" is an effective way to find Florida launch …
answered Jun 29 '18 by Bob Jacobsen
4
votes
The thing circled in the photo is LOX vent. The puffy white object is solid oxygen. It was described at T+1.05:25 in the Iridium-6/GRACE-FO webcast. As such, it's not intended to rotate the spacecraf …
answered May 23 '18 by Bob Jacobsen
0
votes
A Reddit thread contains a user-made map that might be useful. You can blow the original up, but here's a screen shot: See the thread and associated links for more info.
answered Jun 9 '18 by Bob Jacobsen
7
votes
Is it normal for thrusters to “ice up”? The thing circled in your photo is a LOX vent, not a thruster. The puffy white object is solid oxygen. Your question is directly answered at T+1.05:25 in …
answered May 23 '18 by Bob Jacobsen