Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2019   18:38:56   (   0.00, -75.19) (  -0.81, -78.73)  403.89                80
 03/20/2019   18:22:50   (   0.00, -75.20) (   0.20, -74.20)  112.94                80
 03/22/2019   06:44:38   (  -0.00, -75.20) (   0.94, -79.47)  486.83                80
 03/23/2019   06:23:12   (  -0.01, -75.20) (  -0.06, -74.94)   30.19                80
 03/25/2019   18:26:23   (   0.02, -75.22) (  -0.07, -75.71)   55.45                80
 03/26/2019   18:10:17   (   0.02, -75.23) (   0.93, -71.17)  462.21                80
 03/28/2019   06:32:04   (  -0.01, -75.24) (   0.26, -76.44)  136.14                80
 03/29/2019   06:10:38   (  -0.01, -75.25) (  -0.74, -71.90)  381.82                80
 03/30/2019   18:32:34   (   0.00, -75.28) (  -0.46, -77.20)  219.86                80
 03/31/2019   18:16:29   (   0.00, -75.29) (   0.61, -72.67)  298.66                80
 04/02/2019   06:38:15   (   0.00, -75.32) (   0.58, -77.94)  298.31                80