Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 9.  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   06:42:17   (   0.01, -75.20) (   0.96, -79.52)  492.15                80
 06/11/2019   06:26:13   (   0.02, -75.20) (  -0.04, -74.98)   24.45                80
 06/13/2019   18:26:46   (  -0.01, -75.21) (  -0.11, -75.76)   63.05                80
 06/14/2019   18:10:41   (  -0.00, -75.21) (   0.89, -71.23)  453.84                80
 06/16/2019   06:29:50   (  -0.01, -75.23) (   0.30, -76.50)  145.63                80
 06/17/2019   06:13:46   (  -0.01, -75.23) (  -0.76, -71.98)  371.69                80
 06/18/2019   18:33:02   (   0.00, -75.25) (  -0.45, -77.28)  231.42                80
 06/19/2019   18:16:58   (  -0.00, -75.26) (   0.55, -72.74)  286.40                80
 06/21/2019   06:36:06   (   0.00, -75.28) (   0.64, -78.01)  311.55                80
 06/22/2019   06:20:03   (   0.01, -75.30) (  -0.42, -73.49)  206.69                80