Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2018   06:38:21   (   0.02, -75.19) (   0.61, -77.94)  313.06                80
 03/31/2018   06:16:57   (   0.01, -75.19) (  -0.39, -73.41)  203.67                80
 04/01/2018   18:38:54   (  -0.02, -75.21) (  -0.78, -78.72)  399.70                80
 04/02/2018   18:22:50   (  -0.01, -75.22) (   0.22, -74.19)  117.63                80
 04/04/2018   06:44:38   (   0.02, -75.23) (   0.95, -79.46)  480.97                80
 04/05/2018   06:23:14   (   0.01, -75.25) (  -0.06, -74.93)   36.41                80
 04/07/2018   18:26:26   (  -0.01, -75.28) (  -0.10, -75.70)   48.38                80
 04/08/2018   18:10:22   (  -0.01, -75.30) (   0.90, -71.17)  469.68                80
 04/10/2018   06:32:10   (   0.02, -75.32) (   0.27, -76.44)  127.68                80
 04/11/2018   06:10:46   (   0.02, -75.34) (  -0.73, -71.91)  390.50                80