S-NPP VIIRS Lunar Observation and Sector Rotation

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kathys
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S-NPP VIIRS Lunar Observation and Sector Rotation

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S-NPP VIIRS Lunar Observation and Sector Rotation (no maneuver) 2/12/22 orbit 53340 from 01:36:04 to 01:41:07z

The S-NPP VIIRS is scheduled to perform sector rotation for lunar observation in the orbit# 53340 on February 12, 2022. A roll maneuver is not required this time. The lunar observation is centered at 01:38:35z.

During the sector rotation, the VIIRS calibrators and Earth view sectors data are shifted to allow the Moon image to be captured in the middle of Earth view sector, the DC Restore is turned off, and the dual gain bands gain mode is switched from Auto Gain to fixed High Gain (HG).

5 minutes VIIRS SDRs/EDRs impacted period: 01:36:04 to 01:41:07z (sector rotation and HG).
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