Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2018   18:26:13   (  -0.01, -75.19) (  -0.13, -75.65)   52.43                80
 03/07/2018   18:10:10   (  -0.01, -75.21) (   0.92, -71.13)  465.19                80
 03/09/2018   06:31:58   (   0.01, -75.21) (   0.26, -76.40)  134.86                80
 03/10/2018   06:10:34   (   0.01, -75.23) (  -0.74, -71.87)  382.77                80
 03/11/2018   18:32:31   (  -0.01, -75.27) (  -0.45, -77.18)  217.89                80
 03/12/2018   18:16:27   (  -0.01, -75.28) (   0.55, -72.64)  300.33                80
 03/14/2018   06:38:15   (   0.02, -75.30) (   0.62, -77.92)  298.32                80
 03/15/2018   06:16:51   (   0.02, -75.32) (  -0.43, -73.40)  219.95                80
 03/16/2018   18:38:49   (  -0.02, -75.37) (  -0.75, -78.70)  380.07                80
 03/17/2018   18:22:44   (  -0.02, -75.39) (   0.25, -74.17)  138.80                80
 03/19/2018   06:44:33   (   0.02, -75.42) (   0.93, -79.44)  458.45                80