Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/01/2018   06:23:53   (   0.01, -75.21) (  -0.02, -75.02)   20.56                80
 12/03/2018   18:27:05   (  -0.00, -75.21) (  -0.15, -75.80)   67.50                80
 12/04/2018   18:11:00   (  -0.01, -75.22) (   0.87, -71.27)  449.32                80
 12/06/2018   06:32:47   (   0.00, -75.23) (   0.31, -76.54)  150.50                80
 12/07/2018   06:11:23   (   0.00, -75.23) (  -0.71, -72.02)  366.48                80
 12/08/2018   18:33:19   (   0.00, -75.24) (  -0.48, -77.32)  237.07                80
 12/09/2018   18:17:15   (   0.01, -75.25) (   0.55, -72.79)  280.23                80
 12/11/2018   06:39:02   (  -0.01, -75.27) (   0.63, -78.06)  318.62                80
 12/12/2018   06:17:38   (  -0.02, -75.28) (  -0.40, -73.54)  199.04                80
 12/13/2018   18:39:34   (   0.02, -75.31) (  -0.79, -78.84)  403.38                80
 12/14/2018   18:23:29   (   0.02, -75.32) (   0.25, -74.32)  114.79                80