Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/25/2019   18:26:22   (   0.02, -75.21) (  -0.10, -75.71)   57.17                80
 03/26/2019   18:10:17   (   0.02, -75.21) (   0.91, -71.17)  459.82                80
 03/28/2019   06:32:03   (  -0.02, -75.20) (   0.28, -76.43)  140.82                80
 03/29/2019   06:10:39   (  -0.02, -75.21) (  -0.78, -71.91)  376.47                80
 03/30/2019   18:32:34   (   0.02, -75.23) (  -0.42, -77.21)  225.16                80
 03/31/2019   18:16:29   (   0.01, -75.24) (   0.59, -72.67)  292.81                80
 04/02/2019   06:38:15   (  -0.00, -75.24) (   0.60, -77.93)  306.14                80
 04/03/2019   06:16:50   (  -0.00, -75.26) (  -0.41, -73.40)  211.90                80
 04/04/2019   18:38:45   (   0.00, -75.29) (  -0.78, -78.69)  388.77                80
 04/05/2019   18:22:40   (   0.01, -75.30) (   0.29, -74.17)  129.73                80
 04/07/2019   06:44:27   (  -0.01, -75.32) (   0.90, -79.43)  468.35                80