http://www.esa.int/Our_Activities/Operations/Live_updates_Rosetta_mission_comet_landing
Quick Timeline (note: essentially, UTC == GMT):
11 November 18:33:20 UTC: Lander switch-on.
11 November 19:30:00 UTC: GO/NOGO1 - Last full orbit determination; ESOC Flight Dynamics confirms Rosetta trajectory is correct
12 November 00:00:00 UTC: GO/NOGO 2
12 November 01:35:00 UTC: GO/NOGO 3 - Confirm Philae is ready for landing
12 November 04:03:20 UTC: Lander - start of Separation, Descent & Landing (SDL) activities
12 November 06:35:00 UTC: Earliest GO/NOGO 4 - final decision to go for landing
12 November 07:35:00 UTC: Latest GO/NOGO 4 - final decision to go for landing
12 November 09:03:20 UTC: PHILAE SEPARATION (Forecast; 94-sec window)
12 November 16:02:20 UTC: EXPECTED LANDING and receipt of signal (Forecast; 40 min variability)
The first Go/NoGo has been reached & accepted, with a ‘Go’ from Flight Dynamics at ESOC (Rosetta Control Centre, ESA/Darmstadt).
Philae descent & Touchdown (ESA graphic)
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Alex Kemp
