Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2019   06:23:38   (   0.01, -75.20) (  -0.02, -74.99)   23.47                80
 06/29/2019   18:26:51   (   0.02, -75.20) (  -0.13, -75.77)   65.36                80
 06/30/2019   18:10:48   (   0.02, -75.20) (   0.93, -71.25)  451.05                80
 07/02/2019   06:32:35   (  -0.02, -75.20) (   0.30, -76.51)  149.93                80
 07/03/2019   06:11:11   (  -0.02, -75.20) (  -0.76, -71.99)  366.57                80
 07/04/2019   18:33:08   (   0.01, -75.20) (  -0.45, -77.28)  237.19                80
 07/05/2019   18:17:03   (   0.00, -75.21) (   0.55, -72.75)  279.76                80
 07/07/2019   06:36:12   (   0.00, -75.21) (   0.62, -78.02)  320.06                80
 07/08/2019   06:20:07   (   0.01, -75.22) (  -0.39, -73.49)  197.26                80
 07/09/2019   18:39:23   (  -0.01, -75.24) (  -0.83, -78.79)  405.40                80
 07/10/2019   18:23:19   (  -0.01, -75.25) (   0.18, -74.26)  112.32                80