Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/07/2019   06:44:26   (  -0.00, -75.20) (   0.93, -79.43)  481.16                80
 04/08/2019   06:23:01   (  -0.00, -75.20) (  -0.08, -74.89)   35.87                80
 04/10/2019   18:26:10   (  -0.00, -75.22) (  -0.11, -75.65)   49.79                80
 04/11/2019   18:10:05   (  -0.00, -75.22) (   0.90, -71.12)  467.38                80
 04/13/2019   06:31:51   (   0.00, -75.22) (   0.28, -76.38)  132.58                80
 04/14/2019   06:10:26   (   0.00, -75.22) (  -0.73, -71.84)  384.78                80
 04/15/2019   18:32:22   (  -0.00, -75.24) (  -0.40, -77.16)  217.24                80
 04/16/2019   18:16:17   (   0.00, -75.25) (   0.61, -72.62)  300.71                80
 04/18/2019   06:38:03   (   0.00, -75.27) (   0.57, -77.88)  297.80                80
 04/19/2019   06:16:38   (  -0.00, -75.28) (  -0.44, -73.35)  220.44                80