Topic:
NOAA 20 VIIRS Lunar Calibration Roll Maneuver Scheduled for
February 15, 2019
Date/Time Issued: February 14, 2019 19:30Z
Product(s) or Data Impacted: All NOAA 20 Sensor Data
Date/Time of Initial Impact: February 15, 2019 22:21:09Z
Date/Time of Expected End: February 15, 2019 23:17:09Z
Length of Outage: See Details.
Details/Specifics of change: On February 15, 2019, NOAA 20
will perform a spacecraft attitude maneuver for the VIIRS Lunar
Calibration, with a roll of -1.35 degrees centered at 22:44:09Z.
Science data may be impacted while the spacecraft is pointing
off-nadir during the attitude maneuver and the CERES instrument
will not provide nominal science data as it will placed in a
contamination safe mode. The timeline of events for this maneuver
are provided below.
The following observatory systems will be affected:
22:21:09Z M-bM-^@M-^S 23:17:09Z M-BCERES will be in Contam-Safe, science data
will not be available
22:40:37Z M-bM-^@M-^S 22:47:41Z M-BVIIRS encoder offset and gain will be set
for Moon observation
22:41:09Z M-bM-^@M-^S 22:47:09 Z M-BNOAA-20 will be pointing off-nadir,
collected data may be impacted and not disseminated
Contact Information for Further
Information:ESPC Operations at
ESPCOperations@noaa.gov
and 301-817-3880
Web Site(s) for
applicable information: N/A
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