Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2018   18:22:53   (  -0.01, -75.20) (   0.26, -74.13)  123.10                80
 07/09/2018   06:44:40   (  -0.02, -75.20) (   0.91, -79.39)  477.97                80
 07/10/2018   06:23:15   (  -0.02, -75.20) (  -0.07, -74.85)   39.00                80
 07/12/2018   18:26:27   (   0.02, -75.21) (  -0.08, -75.63)   47.33                80
 07/13/2018   18:10:22   (   0.01, -75.22) (   0.96, -71.10)  469.82                80
 07/15/2018   06:32:08   (  -0.01, -75.22) (   0.27, -76.35)  129.73                80
 07/16/2018   06:10:44   (  -0.01, -75.23) (  -0.77, -71.83)  387.94                80
 07/17/2018   18:32:40   (   0.00, -75.25) (  -0.41, -77.13)  213.79                80
 07/18/2018   18:16:35   (  -0.00, -75.27) (   0.57, -72.59)  304.46                80
 07/20/2018   06:38:22   (  -0.00, -75.29) (   0.60, -77.86)  293.52                80