Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2023 3 20.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2023   02:34:49   (  73.59, 131.80) 04/03/2023   02:35:55  (  73.54, 134.63)   89.29                66