Topic: Suomi-NPP Drag Make-Up Maneuver scheduled for April 30, 2015
Date/Time Issued: April 29, 2015 19:35 UTC
Product(s) or Data Impacted: All Suomi-NPP Sensor Data
Date/Time of Initial Impact: April 30, 2015 17:48:00 UTC
Date/Time of Expected End: April 30, 2015 19:55:02 UTC
Length of Outage: See Details
Details/Specifics of Change: On Thursday, April 30, 2015 at 18:14:00 UTC Suomi-NPP will perform a critical Drag Make-Up (DMU) Maneuver to maintain repeating ground track. The propulsive burn will last 2 seconds.
The following observatory systems will be affected on April 30, 2015:
17:48:00z - 19:55:02z CERES in Contam-Safe mode, science data will not be available
17:58:00z - 18:25:04z OMPS in Decon mode, science data will not be available
18:03:00z - 18:26:03z HRD will be off, data for direct broadcast users will be unavailable
18:08:00z - 18:21:02z S-NPP pointing off nadir and collected data during that time period may be impacted and not disseminated.