Key Launch Day Milestones for Today’s GOES-T Mission

GOES-T spacecraft atop a ULA rocket
The Geostationary Operational Environmental Satellite-T (GOES-T) spacecraft separation is targeted to take place at approximately 8:32 p.m. today. Photo credit: NASA/Kim Shiflett

Here is a look at some of the key milestones for today’s GOES-T launch:

Mission Timeline (all times approximate)
Time                                Events
4:38 p.m. EST               Launch target (two-hour window)
4:50:04 p.m.                 Main Engine Cutoff #1 (MECO1)
5:01:20 p.m.                  Centaur Main Engine Start #2 (MES2)
5:06:57 p.m.                  Centaur Main Engine Cutoff #2 (MECO2)
8:06:04 p.m.                 Centaur Main Engine Start #3 (MES3)
8:07:47 p.m.                  Centaur Main Engine Cutoff #3 (MECO3)
8:32:32 p.m.                  GOES-T Spacecraft Separation

GOES-T’s launch from Cape Canaveral’s Space Force Station in Florida is now less than an hour away. Coverage of launch day activities will continue here on the blog. Also, tune in to NASA TV, the NASA app, or the agency’s website, starting at 4 p.m. EST for a live broadcast. Liftoff, from Space Launch Complex 41, is targeted for 4:38 p.m. EST.