Administrative: GOES-T/18 Transition to Operations - Post Launch Test (PLT) Schedule and Plans, Issued: October 29, 2021 1340 UTC

Topic: GOES-T/18 Transition to Operations

Date/Time Issued: October 29, 2021 1340 UTC

Product(s) or Data Impacted: All GOES-T/18 Products

Date/Time of Initial Impact:  February 16, 2022 TBD UTC


Details/Specifics of Change: 

The GOES T/18 Satellite is currently scheduled for launch on February 16, 2022.   

The following plan assumes a successful launch and checkout of the GOES-T/18 Satellite. It incorporates an early drift of GOES-18 to the West orbital slot and allows for early operational use of GOES-18 ABI to supplement GOES-17 ABI imagery.

Key Dates:

Launch: February 16, 2022

Post-Launch Checkout Part 1 at 89.5 W: Starts March 14, 2022 

Drift to 136.8 W: May 2 - May 23, 2022

Post-Launch Checkout Part 2 at 136.8 W: Starts May 23, 2022

Interleaving GOES-18 ABI through GOES-17 GRB: August 1 - September 6, 2022

Instrument and product tests: September 6 - December 12, 2022

GOES-West Operations Declaration December 12, 2022 

Detailed slides of all activities associated with the GOES-T/18 Transition to Operations (T2O) may be found by clicking on the following link:


Contact Information: For information on the status of this work, please contact and  ESPC Operations at or 301-817-3880

Web Site(s) for applicable information: N/A

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