Topic: S-NPP VIIRS Lunar Calibration Scheduled for June 2, 2020

Date/Time Issued: May 28, 2020 1442Z

Product(s) or Data Impacted:  S-NPP VIIRS Sensor Data

Date/Time of Initial Impact: June 2, 2020 0042Z

Date/Time of Expected End: June 2, 2020 0047Z

Length of Outage:  See Details.

Details/Specifics of change: June 2, 2020, S-NPP will perform a VIIRS lunar calibration centered at 00:44:42Z. VIIRS data will be impacted. The timeline of the events for this calibration is provided below.

The following observatory system(s) will be affected on June 2, 2020:

00:42:11Z – 00:47:11Z VIIRS encoder offset and gain will be set for Moon observation.

Contact Information for Further Information: ESPC Operations at and 301-817-3880

 Web Site(s) for applicable information: N/A

This message was sent by 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 or (301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request