Topic: Metop-B In-Plane Maneuver

Date Issued: July 26, 2023 2359Z

Product(s) or Data Impacted: All products from AMSU-A, ASCAT, ATOVS, 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 26, 2023 0720Z

Date/Time of Expected End: July 26, 2023 1351Z

Length of Event: ~ 6 hours

Details/Specifics of Change: A Metop-B In-Plane Maneuver will be performed July 26, 2023.

The SEM instrument will be placed into Maneuver Mode at 07:20 UTC on July 26, 2023 and returned to
its Normal Operating Mode at 13:07 UTC that same day.
The GOME instrument timeline ends and the mirror is parked before the burn at 12:09 UTC on July 26,
2023. The GOME timeline is reactivated at 13:51 UTC that same day.
Data from the outage period will not be recovered nor distributed.

Contact Information for Further Information: ESPC Help Desk at ESPCOperations@noaa.gov at 301-817-3880

Spacecraft Affected: NOAA-15 ☐ NOAA-18 ☐ NOAA-19 ☐ Metop-A ☐ Metop-B ☒

Web Site(s) for applicable information: See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other satellite related messages.

See http://www.eumetsat.int/website/home/Satellites/CurrentSatellites/Metop/index.html for more
information Metop satellites

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