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)
 01/05/2019   18:08:15   (  -0.01, -75.20) (   0.89, -71.29)  446.27                80
 01/07/2019   06:32:42   (   0.01, -75.20) (   0.30, -76.56)  154.43                80
 01/08/2019   06:11:17   (   0.01, -75.20) (  -0.68, -72.02)  362.34                80
 01/09/2019   18:35:53   (  -0.01, -75.22) (  -0.48, -77.33)  240.54                80
 01/10/2019   18:14:28   (   0.00, -75.22) (   0.56, -72.80)  276.67                80
 01/12/2019   06:38:56   (   0.00, -75.24) (   0.63, -78.07)  322.69                80
 01/13/2019   06:17:31   (  -0.00, -75.25) (  -0.41, -73.54)  194.84                80
 01/14/2019   18:42:07   (  -0.00, -75.27) (  -0.81, -78.84)  406.92                80
 01/15/2019   18:20:42   (   0.00, -75.28) (   0.23, -74.31)  110.90                80
 01/17/2019   06:45:09   (   0.01, -75.30) (   0.96, -79.58)  487.68                80
 01/18/2019   06:23:45   (   0.00, -75.31) (  -0.08, -75.05)   30.26                80