Topic:
NOAA 20 VIIRS Lunar Calibration Roll Maneuver Scheduled for
December 18, 2018
Date/Time Issued: December 17, 2018 20:25Z
Product(s) or Data Impacted: All NOAA 20 Sensor Data
Date/Time of Initial Impact: December 18, 2018 17:31:01Z
Date/Time of Expected End: December 18, 2018 18:33:01Z
Length of Outage: See Details.
Details/Specifics of change: On December 18, 2018, NOAA 20
will perform a spacecraft attitude maneuver for the VIIRS Lunar
Calibration, with a roll of -7.868 degrees centered at 17:56:01Z.
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 on 2018
December 18:
17:31:01 Z M-bM-^@M-^S 18:33:01 Z M-BCERES will be in Contam-Safe, science
data will not be available
17:46:01 Z M-bM-^@M-^S 18:08:01 Z M-BHRD will be off, data for direct
broadcast users will be unavailable
17:50:29 Z M-bM-^@M-^S 18:03:33 Z M-BVIIRS encoder offset and gain will be set
for Moon observation
17:51:01 Z M-bM-^@M-^S 18:03:01 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
This message was sent by
ESPC.Notification@noaa.gov.
You have been sent this and other notifications because you have
opted in to receive it. If for any reason, you wish to
unsubscribe, please contact ESPC Help Desk at
ESPCOperations@noaa.gov
or (301) 817-3880. Please note: it may take up to two business
days to process your unsubscribe request.