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GOES (Geostationary Operational Environmental Satellites)

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Main Engine Restart, Cutoff Executed

The United Launch Alliance Atlas V 541 Centaur main engine successfully restarted and then cut off again just a few minutes later as the GOES-T mission heads into a planned coast phase.

This will last approximately three hours, after which the Centaur main engine will start and then cut off for a third – and final – time.

Check out continuing coverage on NASA TV, the NASA app, or the agency’s website. Check back here for a live report on GOES-T’s separation from the rocket.

Weather Outlook Solid, GOES-T on Target for 4:38 p.m. EST Launch

The weather outlook for today’s National Oceanic and Atmospheric Administration’s (NOAA) Geostationary Operational Environmental Satellite-T (GOES-T) satellite launch from Cape Canaveral Space Force Station remains positive. Weather officials with the Space Force Station’s 45th Weather Squadron predict an 80% chance of favorable conditions for liftoff from Space Launch Complex 41.

The launch, which is managed by NASA’s Launch Services Program, based at NASA’s Kennedy Space Center, is targeted for 4:38 p.m. EST. There is a two-hour launch window.

“Liftoff winds are going to be our primary concern with a smaller concern coming from some of those passing cumulus clouds,” said Arlena Moses, launch weather officer with the 45th Weather Squadron.

NASA’s Live Launch Day Coverage Has Begun!

Tune in to NASA TV, the NASA app, or the agency’s website, starting now for launch day commentary, interviews, and everything you need to know about the launch of today’s GOES-T mission.

You can also stay right here for blog updates throughout today’s launch day milestones. Liftoff, aboard a United Launch Alliance Atlas V 541 rocket, is set for 4:38 p.m. EST from Cape Canaveral Space Force Station’s Launch Complex 41.