Topic:M-B S-NPP Drag Makeup Maneuver (DMU) scheduled for January 22, 2020

Date/Time Issued:M-BJanuary 21, 2020, 2010Z

Product(s) or Data Impacted:M-B All S-NPP Sensor Data

Date/Time of Initial Impact: January 22, 2020,M-B15:50:00Z

Date/Time of Expected End: January 22, 2020M-B 17:57:04Z

Length of Outage:M-B See Details.

Details/Specifics of Change: On January 22, 2020, at 16:16:00Z, S-NPP will perform a 0.9-second propulsive Drag Makeup Maneuver (DMU) to maintain the Repeating Ground Track box.

The following observatory systems will be affected on January 22, 2020.

15:50:00z - 17:57:04z CERES in Contam-Safe mode, science data will not be available

16:00:00Z M-bM-^@M-^S 16:27:06ZM-B OMPS in Decon mode, Science data will not be available

16:05:00Z M-bM-^@M-^S 16:28:05ZM-B HRD will be off, data for direct broadcast users will be unavailable

16:10:00Z M-bM-^@M-^S 16:23:04ZM-B S-NPP pointing off-nadir, collected data during that time period may be impacted and not disseminated

Contact Information for Further M-BInformation: ESPC Operations at and 301-817-3880. M-BM-BM-B


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