Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/23/2018   18:10:17   (  -0.01, -75.21) (   0.92, -71.16)  462.00                80
 03/25/2018   06:32:04   (   0.01, -75.21) (   0.31, -76.42)  138.20                80
 03/26/2018   06:10:41   (   0.01, -75.22) (  -0.75, -71.90)  378.81                80
 03/27/2018   18:32:37   (  -0.01, -75.24) (  -0.48, -77.19)  223.57                80
 03/28/2018   18:16:33   (  -0.01, -75.25) (   0.58, -72.67)  294.13                80
 03/30/2018   06:38:22   (   0.02, -75.27) (   0.59, -77.95)  304.37                80
 03/31/2018   06:16:57   (   0.01, -75.29) (  -0.42, -73.41)  213.59                80
 04/01/2018   18:38:55   (  -0.02, -75.32) (  -0.75, -78.72)  387.57                80
 04/02/2018   18:22:50   (  -0.01, -75.34) (   0.25, -74.19)  131.00                80
 04/04/2018   06:44:38   (   0.01, -75.37) (   0.92, -79.47)  466.01                80
 04/05/2018   06:23:14   (   0.01, -75.40) (  -0.09, -74.93)   52.62                80