Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2018   18:16:37   (   0.01, -75.20) (   0.61, -72.60)  296.39                80
 07/20/2018   06:35:45   (  -0.01, -75.20) (   0.59, -77.87)  304.47                80
 07/21/2018   06:19:41   (  -0.01, -75.19) (  -0.45, -73.34)  211.56                80
 07/22/2018   18:38:59   (   0.01, -75.19) (  -0.77, -78.64)  393.79                80
 07/23/2018   18:22:55   (   0.01, -75.19) (   0.27, -74.12)  122.58                80
 07/25/2018   06:44:44   (  -0.01, -75.20) (   0.93, -79.39)  477.27                80
 07/26/2018   06:23:20   (  -0.01, -75.21) (  -0.10, -74.86)   39.40                80
 07/28/2018   18:26:34   (   0.01, -75.22) (  -0.07, -75.64)   47.95                80
 07/29/2018   18:10:30   (   0.01, -75.23) (   0.91, -71.11)  469.30                80
 07/31/2018   06:29:39   (  -0.01, -75.25) (   0.23, -76.39)  129.22                80