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Planned Event ☐ Emergency/Anomaly ☒ |
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Topic: Metop-A Collision Avoidance In-Plane Maneuver
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Date/Time (UTC) Message Issued: April 21, 2021 0239Z
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Product(s) Involved/Affected: All products from AMSU-A, ASCAT, ATOVS, GRAS, IASI, MHS, AVHRR in the Metop Global Data Service and Regional Data Service were temporarily degraded. GOME-2 and SEM products were not available. |
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Date/Time (UTC) Initial Implementation: April 18, 2021 (JDAY 108) 11:25 UTC
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Date/Time (UTC) Expected End: April 18, 2021 (JDAY 108) 16:29 UTC
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Length of Outage: ~ 5 hours
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A Metop-A Collision Avoidance In-Plane Maneuver was performed April 18, 2021, preheating beginning at 11:48 UTC with the maneuver ending at 13:30 UTC that same day.
This maneuver was to avoid collision with FENGYUN 1C DEB (object number 32193).
The SEM instrument was placed into Maneuver Mode at 11:25 UTC on April 18, 2021 and returned back to its Normal Operating Mode at 16:29 UTC that same day.
The GOME instrument timeline ends and mirror parked before the burn at 12:12 UTC on April 18, 2021. The GOME timeline was reactivated at 15:30 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 ☐
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Web Site(s) for Applicable Information: See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other
satellite related messages.
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