2301 GMT (6:01 p.m. EST)
Re-ignition of the upper stage should occur at about 6:08 p.m. EST (2308 GMT) for a burn of about 71 seconds.
Separation of the SES 8 satellite will come a few minutes later.
We expect an update from SpaceX soon after those milestones are achieved.
SES 8 should have separated by now.
2311 GMT (6:11 p.m. EST)
SpaceX says the engine restart was a success. Spacecraft separation is due in a couple of minutes.
2320 GMT (6:20 p.m. EST)
SpaceX and SES are awaiting acquisition of signal from the SES 8 satellite before calling this launch a success. All appears OK, a source says.