Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 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)
 07/25/2018   06:44:44   (  -0.03, -75.19) (   0.92, -79.39)  479.12                80
 07/26/2018   06:23:20   (  -0.04, -75.19) (  -0.12, -74.86)   37.78                80
 07/28/2018   18:26:34   (   0.04, -75.21) (  -0.06, -75.64)   48.89                80
 07/29/2018   18:10:31   (   0.04, -75.23) (   0.98, -71.12)  468.64                80
 07/31/2018   06:32:19   (  -0.04, -75.25) (   0.22, -76.39)  129.20                80
 08/01/2018   06:10:55   (  -0.04, -75.27) (  -0.82, -71.86)  388.66                80
 08/02/2018   18:32:53   (   0.04, -75.29) (  -0.39, -77.17)  214.04                80
 08/03/2018   18:16:49   (   0.04, -75.31) (   0.65, -72.64)  304.12                80
 08/05/2018   06:38:38   (  -0.05, -75.34) (   0.55, -77.91)  292.97                80
 08/06/2018   06:17:14   (  -0.05, -75.36) (  -0.49, -73.39)  225.15                80