Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2019   18:26:51   (   0.02, -75.20) (  -0.13, -75.77)   65.16                80
 06/30/2019   18:10:48   (   0.02, -75.20) (   0.94, -71.25)  451.33                80
 07/02/2019   06:32:35   (  -0.02, -75.20) (   0.30, -76.51)  149.62                80
 07/03/2019   06:11:12   (  -0.02, -75.20) (  -0.77, -71.99)  366.94                80
 07/04/2019   18:33:08   (   0.01, -75.21) (  -0.45, -77.28)  236.61                80
 07/05/2019   18:17:03   (   0.00, -75.21) (   0.56, -72.75)  280.42                80
 07/07/2019   06:36:12   (   0.00, -75.22) (   0.61, -78.02)  319.38                80
 07/08/2019   06:20:07   (   0.01, -75.23) (  -0.39, -73.49)  198.03                80
 07/09/2019   18:39:24   (  -0.01, -75.25) (  -0.82, -78.79)  404.38                80
 07/10/2019   18:23:19   (  -0.01, -75.26) (   0.18, -74.26)  113.41                80
 07/12/2019   06:42:28   (   0.00, -75.28) (   0.93, -79.54)  485.46                80