Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2019   18:16:25   (   0.00, -75.20) (   0.57, -72.65)  290.39                80
 04/18/2019   06:38:14   (  -0.00, -75.20) (   0.63, -77.92)  310.67                80
 04/19/2019   06:16:50   (  -0.00, -75.20) (  -0.41, -73.39)  205.54                80
 04/20/2019   18:38:47   (   0.00, -75.20) (  -0.79, -78.70)  399.09                80
 04/21/2019   18:22:44   (  -0.00, -75.20) (   0.25, -74.18)  117.55                80
 04/23/2019   06:44:32   (   0.00, -75.21) (   0.95, -79.44)  482.36                80
 04/24/2019   06:23:09   (   0.00, -75.22) (  -0.09, -74.92)   34.53                80
 04/26/2019   18:26:22   (  -0.00, -75.24) (  -0.12, -75.69)   52.23                80
 04/27/2019   18:10:18   (  -0.00, -75.25) (   0.93, -71.17)  465.21                80
 04/29/2019   06:32:06   (  -0.00, -75.27) (   0.28, -76.44)  133.28                80