Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2019   18:26:54   (  -0.02, -75.20) (  -0.16, -75.81)   69.50                80
 01/21/2019   18:08:10   (  -0.02, -75.20) (   0.88, -71.28)  446.90                80
 01/23/2019   06:32:37   (   0.03, -75.20) (   0.30, -76.55)  152.94                80
 01/24/2019   06:11:12   (   0.02, -75.20) (  -0.68, -72.01)  363.79                80
 01/25/2019   18:35:47   (  -0.03, -75.21) (  -0.52, -77.31)  239.93                80
 01/26/2019   18:14:22   (  -0.02, -75.22) (   0.52, -72.78)  277.40                80
 01/28/2019   06:38:50   (   0.03, -75.24) (   0.67, -78.05)  320.78                80
 01/29/2019   06:17:25   (   0.03, -75.25) (  -0.38, -73.52)  196.80                80
 01/30/2019   18:42:01   (  -0.04, -75.26) (  -0.82, -78.82)  405.86                80
 01/31/2019   18:20:35   (  -0.03, -75.27) (   0.16, -74.28)  112.15                80