Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2018   18:26:30   (   0.01, -75.20) (  -0.12, -75.65)   52.16                80
 06/27/2018   18:10:25   (   0.02, -75.21) (   0.92, -71.12)  465.58                80
 06/29/2018   06:32:12   (  -0.02, -75.23) (   0.26, -76.39)  132.52                80
 06/30/2018   06:10:48   (  -0.02, -75.24) (  -0.77, -71.86)  385.43                80
 07/01/2018   18:32:44   (   0.03, -75.26) (  -0.41, -77.16)  216.73                80
 07/02/2018   18:16:40   (   0.03, -75.28) (   0.62, -72.63)  301.72                80
 07/04/2018   06:38:27   (  -0.03, -75.31) (   0.55, -77.90)  294.98                80
 07/05/2018   06:17:03   (  -0.03, -75.33) (  -0.48, -73.37)  223.72                80
 07/06/2018   18:38:59   (   0.04, -75.36) (  -0.70, -78.68)  377.60                80
 07/07/2018   18:22:54   (   0.04, -75.38) (   0.34, -74.15)  141.43                80
 07/09/2018   06:44:42   (  -0.04, -75.42) (   0.84, -79.41)  454.51                80