Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 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)
 09/06/2019   18:33:17   (  -0.01, -75.18) (  -0.45, -77.25)  235.41                80
 09/07/2019   18:17:12   (  -0.01, -75.18) (   0.51, -72.71)  280.24                80
 09/09/2019   06:39:00   (   0.02, -75.17) (   0.63, -77.99)  320.70                80
 09/10/2019   06:17:36   (   0.02, -75.16) (  -0.39, -73.46)  195.28                80
 09/11/2019   18:39:31   (  -0.03, -75.15) (  -0.86, -78.74)  409.87                80
 09/12/2019   18:23:26   (  -0.03, -75.15) (   0.17, -74.21)  106.62                80
 09/14/2019   06:45:15   (   0.03, -75.16) (   0.98, -79.49)  492.89                80
 09/15/2019   06:23:50   (   0.03, -75.16) (  -0.05, -74.96)   24.08                80
 09/17/2019   18:29:41   (  -0.03, -75.17) (  -0.16, -75.72)   63.03                80
 09/18/2019   18:08:17   (  -0.03, -75.18) (   0.87, -71.19)  454.18                80