Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2019   18:23:20   (   0.01, -75.19) (   0.22, -74.26)  106.03                80
 07/12/2019   06:45:08   (  -0.01, -75.20) (   0.94, -79.53)  493.64                80
 07/13/2019   06:23:43   (  -0.01, -75.20) (  -0.06, -75.00)   23.13                80
 07/15/2019   18:26:56   (   0.01, -75.22) (  -0.09, -75.78)   63.92                80
 07/16/2019   18:10:52   (   0.01, -75.22) (   0.92, -71.25)  453.50                80
 07/18/2019   06:32:39   (  -0.01, -75.25) (   0.30, -76.51)  144.75                80
 07/19/2019   06:11:16   (  -0.01, -75.26) (  -0.77, -71.99)  373.11                80
 07/20/2019   18:33:12   (   0.01, -75.27) (  -0.44, -77.29)  229.50                80
 07/21/2019   18:17:08   (   0.00, -75.29) (   0.57, -72.76)  288.82                80
 07/23/2019   06:36:16   (  -0.00, -75.32) (   0.59, -78.03)  308.06                80