Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/31/2019   18:26:59   (   0.04, -75.22) (  -0.11, -75.77)   63.57                80
 08/01/2019   18:10:55   (   0.04, -75.24) (   0.91, -71.24)  454.41                80
 08/03/2019   06:30:03   (  -0.05, -75.26) (   0.24, -76.52)  143.76                80
 08/04/2019   06:13:59   (  -0.04, -75.28) (  -0.77, -71.99)  374.66                80
 08/05/2019   18:33:16   (   0.05, -75.31) (  -0.39, -77.30)  226.21                80
 08/06/2019   18:17:12   (   0.05, -75.33) (   0.63, -72.77)  292.64                80
 08/08/2019   06:39:00   (  -0.05, -75.36) (   0.52, -78.04)  304.31                80
 08/09/2019   06:20:15   (  -0.05, -75.39) (  -0.49, -73.51)  214.78                80
 08/10/2019   18:39:32   (   0.06, -75.43) (  -0.72, -78.81)  385.22                80
 08/11/2019   18:23:28   (   0.06, -75.46) (   0.35, -74.29)  134.20                80
 08/13/2019   06:45:15   (  -0.07, -75.50) (   0.86, -79.55)  461.84                80