Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2018   06:45:18   (  -0.00, -75.24) (   0.99, -79.53)  489.42                80
 11/15/2018   06:23:53   (  -0.00, -75.26) (  -0.03, -75.00)   28.20                80
 11/17/2018   18:27:06   (   0.00, -75.29) (  -0.09, -75.79)   57.13                80
 11/18/2018   18:11:02   (  -0.00, -75.30) (   0.93, -71.27)  461.00                80
 11/20/2018   06:32:49   (   0.00, -75.34) (   0.27, -76.53)  136.23                80
 11/21/2018   06:11:24   (   0.00, -75.36) (  -0.75, -72.01)  382.09                80
 11/22/2018   18:33:21   (  -0.01, -75.38) (  -0.45, -77.31)  220.04                80
 11/23/2018   18:17:16   (  -0.01, -75.40) (   0.58, -72.78)  298.46                80
 11/25/2018   06:39:03   (   0.02, -75.44) (   0.62, -78.05)  298.32                80
 11/26/2018   06:17:39   (   0.02, -75.46) (  -0.40, -73.52)  220.21                80