Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2018   18:10:25   (  -0.01, -75.18) (   0.87, -71.17)  456.21                80
 04/26/2018   06:32:13   (   0.01, -75.19) (   0.29, -76.44)  142.91                80
 04/27/2018   06:10:49   (   0.01, -75.20) (  -0.72, -71.91)  374.14                80
 04/28/2018   18:32:45   (  -0.01, -75.21) (  -0.48, -77.21)  229.41                80
 04/29/2018   18:16:41   (  -0.01, -75.22) (   0.53, -72.68)  288.25                80
 05/01/2018   06:38:29   (   0.01, -75.24) (   0.63, -77.96)  309.37                80
 05/02/2018   06:17:04   (   0.02, -75.26) (  -0.38, -73.42)  208.59                80
 05/03/2018   18:39:01   (  -0.02, -75.27) (  -0.81, -78.73)  394.23                80
 05/04/2018   18:22:56   (  -0.02, -75.29) (   0.20, -74.20)  124.00                80
 05/06/2018   06:44:45   (   0.01, -75.33) (   0.97, -79.47)  472.69                80
 05/07/2018   06:23:20   (   0.02, -75.34) (  -0.05, -74.94)   45.89                80