Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/30/2019   18:10:47   (   0.02, -75.20) (   0.89, -71.24)  451.35                80
 07/02/2019   06:32:35   (  -0.02, -75.20) (   0.28, -76.51)  149.54                80
 07/03/2019   06:11:11   (  -0.02, -75.20) (  -0.72, -71.98)  367.00                80
 07/04/2019   18:33:08   (   0.01, -75.21) (  -0.44, -77.29)  236.54                80
 07/05/2019   18:17:04   (   0.01, -75.21) (   0.57, -72.76)  280.51                80
 07/07/2019   06:36:12   (   0.00, -75.22) (   0.60, -78.03)  319.26                80
 07/08/2019   06:20:07   (   0.01, -75.23) (  -0.40, -73.49)  198.19                80
 07/09/2019   18:39:24   (  -0.01, -75.25) (  -0.82, -78.79)  404.18                80
 07/10/2019   18:23:19   (  -0.01, -75.26) (   0.19, -74.26)  113.61                80
 07/12/2019   06:42:28   (   0.00, -75.28) (   0.98, -79.53)  485.26                80
 07/13/2019   06:26:24   (  -0.00, -75.29) (  -0.08, -75.01)   32.68                80