Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/25/2018   06:32:04   (   0.02, -75.19) (   0.30, -76.42)  140.16                80
 03/26/2018   06:10:40   (   0.02, -75.20) (  -0.71, -71.89)  376.86                80
 03/27/2018   18:32:37   (  -0.02, -75.21) (  -0.47, -77.20)  226.05                80
 03/28/2018   18:16:33   (  -0.02, -75.23) (   0.53, -72.66)  291.68                80
 03/30/2018   06:38:21   (   0.03, -75.25) (   0.63, -77.94)  306.19                80
 03/31/2018   06:16:56   (   0.02, -75.27) (  -0.37, -73.40)  211.80                80
 04/01/2018   18:38:54   (  -0.02, -75.29) (  -0.80, -78.71)  389.97                80
 04/02/2018   18:22:50   (  -0.02, -75.32) (   0.26, -74.19)  128.66                80
 04/04/2018   06:44:38   (   0.02, -75.36) (   0.97, -79.45)  467.76                80
 04/05/2018   06:23:14   (   0.02, -75.38) (  -0.10, -74.94)   50.93                80
 04/07/2018   18:26:27   (  -0.02, -75.44) (  -0.06, -75.72)   31.12                80