841
NOUS72 KNES 151504
ADMNES
*TOPIC:* METOP-C IN-PLANE MANEUVER

*DATE/TIME ISSUED:* JULY 15, 2024 1457Z

*PRODUCT(S) OR DATA IMPACTED:* ALL PRODUCTS FROM AMSU-A, ASCAT, GRAS, IASI,
MHS, AVHRR IN THE METOP GLOBAL DATA SERVICE AND REGIONAL DATA SERVICE WILL
BE TEMPORARILY DEGRADED. GOME-2 AND SEM PRODUCTS WILL NOT BE AVAILABLE.

*DATE/TIME OF INITIAL IMPACT:* JULY 17, 2024 0827Z  J/DAY 199


*DATE/TIME OF EXPECTED END:* JULY 17, 2024 1414Z  J/DAY 199

*LENGTH OF EVENT:*   5 HOURS, 47 MINUTES

*DETAILS/SPECIFICS OF CHANGE:*  A METOP-B COLLISION AVOIDANCE IN-PLANE
MANEUVER WAS PERFORMED JULY 13, 2024, PREHEATING BEGINNING AT 10:56Z WITH
THE MANEUVER ENDING AT 12:27Z.
THIS MANEUVER WAS TO AVOID COLLISION WITH OBJECT NUMBER 10144.
THE SEM INSTRUMENT WAS PLACED INTO MANEUVER MODE AT 10:00Z ON JULY 13, 2024
AND RETURNED BACK TO ITS NORMAL OPERATING MODE AT 15:04Z THE SAME DAY. THE
MANUAL SELECTION OF OPTIMAL TED AND MEPED CALIBRATIONS FOR THE SEM
INSTRUMENT WAS PERFORMED AT 17:02Z ON JULY 13, 2024.
THE GOME INSTRUMENT TIMELINE ENDS AND MIRROR PARKED BEFORE THE BURN AT
12:04Z ON JULY 13, 2024. THE GOME TIMELINE WAS REACTIVATED AT 13:46Z THE
SAME DAY. DATA FROM THE OUTAGE PERIOD WILL NOT BE RECOVERED NOR DISTRIBUTED.

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SATELLITE RELATED MESSAGES.
SEE
HTTP://WWW.EUMETSAT.INT/WEBSITE/HOME/SATELLITES/CURRENTSATELLITES/METOP/INDEX.HTML
FOR
MORE INFORMATION METOP SATELLITES



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