Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/07/2019   06:32:41   (   0.01, -75.20) (   0.34, -76.55)  154.31                80
 01/08/2019   06:11:17   (   0.01, -75.20) (  -0.70, -72.02)  362.49                80
 01/09/2019   18:35:53   (  -0.01, -75.22) (  -0.46, -77.33)  240.33                80
 01/10/2019   18:14:28   (  -0.00, -75.23) (   0.52, -72.79)  276.93                80
 01/12/2019   06:38:56   (   0.01, -75.24) (   0.61, -78.07)  322.40                80
 01/13/2019   06:17:31   (  -0.00, -75.25) (  -0.37, -73.53)  195.16                80
 01/14/2019   18:42:07   (  -0.01, -75.27) (  -0.79, -78.84)  406.55                80
 01/15/2019   18:20:41   (  -0.00, -75.29) (   0.20, -74.30)  111.31                80
 01/17/2019   06:45:09   (   0.01, -75.30) (   1.00, -79.57)  487.25                80
 01/18/2019   06:23:44   (   0.01, -75.32) (  -0.04, -75.04)   30.62                80