Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2019 8 11.  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)
 08/11/2019   20:24:24   (  72.03,-132.91) 08/11/2019   20:23:16  (  72.06,-135.06)   73.72                68
 08/11/2019   21:15:07   ( -71.98,  34.48) 08/11/2019   21:13:59  ( -71.97,  32.10)   82.06                68