Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/09/2018   06:31:57   (   0.01, -75.17) (   0.31, -76.39)  139.17                80
 03/10/2018   06:10:34   (   0.01, -75.18) (  -0.74, -71.87)  378.20                80
 03/11/2018   18:32:31   (  -0.02, -75.22) (  -0.44, -77.18)  222.25                80
 03/12/2018   18:16:27   (  -0.02, -75.24) (   0.55, -72.64)  295.68                80
 03/14/2018   06:38:15   (   0.02, -75.25) (   0.62, -77.92)  304.03                80
 03/15/2018   06:16:50   (   0.02, -75.26) (  -0.38, -73.38)  213.97                80
 03/16/2018   18:38:48   (  -0.02, -75.31) (  -0.80, -78.69)  385.83                80
 03/17/2018   18:22:44   (  -0.02, -75.33) (   0.25, -74.17)  132.77                80
 03/19/2018   06:44:33   (   0.02, -75.35) (   0.92, -79.44)  465.58                80
 03/20/2018   06:23:08   (   0.02, -75.38) (  -0.08, -74.91)   52.90                80
 03/22/2018   18:26:21   (  -0.02, -75.45) (  -0.09, -75.69)   27.84                80