Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2020 6 9.  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)
 06/09/2020   21:33:25   ( -72.15,  29.51) 06/09/2020   21:32:14  ( -72.17,  28.06)   49.44                71
 06/09/2020   22:24:06   (  71.89,-162.68) 06/09/2020   22:22:59  (  71.85,-165.20)   87.14                67
 06/09/2020   23:14:49   ( -71.85,   4.71) 06/09/2020   23:13:42  ( -71.84,   2.10)   90.36                67