Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 6.  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   06:32:42   (   0.02, -75.19) (   0.33, -76.55)  154.76                80
 01/08/2019   06:11:17   (   0.01, -75.19) (  -0.71, -72.02)  361.55                80
 01/09/2019   18:35:52   (  -0.01, -75.20) (  -0.51, -77.32)  242.21                80
 01/10/2019   18:14:28   (  -0.01, -75.20) (   0.53, -72.79)  274.57                80
 01/12/2019   06:38:55   (   0.01, -75.21) (   0.66, -78.06)  325.26                80
 01/13/2019   06:17:31   (   0.01, -75.22) (  -0.38, -73.53)  191.81                80
 01/14/2019   18:42:06   (  -0.01, -75.23) (  -0.83, -78.83)  410.82                80
 01/15/2019   18:20:42   (  -0.01, -75.24) (   0.21, -74.31)  106.52                80
 01/17/2019   06:45:09   (   0.02, -75.25) (   0.98, -79.57)  492.53                80
 01/18/2019   06:23:44   (   0.01, -75.26) (  -0.06, -75.05)   24.93                80
 01/20/2019   18:29:34   (  -0.02, -75.29) (  -0.16, -75.81)   60.07                80