The STAR webserver will be offline Tuesday Jan 20th, 2026 from approximately 07:30 to 12:00 EST for an upgrade.

National Calibration Center home page National Oceanographic & Atmospheric Administration website NOAA Center for Satellite Applications and Research website

MetOp-SG1 SNOs - Back to MetOp Home


Simultaneous Nadir Overpass (SNO) Predictions

Simultaneous Nadir Overpass (SNO) Predictions for NPP, NOAA-20, NOAA-21 and METOP-SGA1
(Search Criteria: SNOs with distance within 500 km and time difference within 80 seconds)
Satellite SNPP NOAA-20 NOAA-21
MetOp-SGA1 SNPP vs. MetOp-SGA1 NOAA-20 vs. MetOp-SGA1 NOAA-21 vs. MetOp-SGA1

(Powered by SGP4 V2008)