Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2019   06:44:57   (  -0.01, -75.20) (   0.98, -79.51)  492.61                80
 06/11/2019   06:23:34   (  -0.01, -75.20) (  -0.08, -74.99)   23.91                80
 06/13/2019   18:26:45   (   0.01, -75.20) (  -0.14, -75.76)   63.70                80
 06/14/2019   18:10:42   (   0.01, -75.21) (   0.92, -71.24)  453.33                80
 06/16/2019   06:32:30   (  -0.01, -75.22) (   0.27, -76.51)  145.85                80
 06/17/2019   06:11:06   (  -0.01, -75.23) (  -0.73, -71.97)  371.31                80
 06/18/2019   18:33:03   (   0.02, -75.24) (  -0.42, -77.28)  231.99                80
 06/19/2019   18:16:59   (   0.02, -75.26) (   0.58, -72.75)  285.64                80
 06/21/2019   06:38:47   (  -0.01, -75.28) (   0.60, -78.02)  312.23                80
 06/22/2019   06:17:22   (  -0.01, -75.30) (  -0.40, -73.49)  205.97                80
 06/23/2019   18:39:20   (   0.00, -75.32) (  -0.75, -78.80)  395.93                80