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)
 11/30/2018   06:45:18   (   0.00, -75.21) (   0.99, -79.56)  495.69                80
 12/01/2018   06:23:53   (   0.01, -75.21) (  -0.03, -75.03)   20.45                80
 12/03/2018   18:27:05   (  -0.00, -75.21) (  -0.14, -75.81)   67.51                80
 12/04/2018   18:11:00   (  -0.01, -75.22) (   0.89, -71.28)  449.28                80
 12/06/2018   06:32:48   (   0.00, -75.23) (   0.30, -76.55)  150.55                80
 12/07/2018   06:11:23   (   0.00, -75.23) (  -0.73, -72.02)  366.42                80
 12/08/2018   18:33:20   (   0.00, -75.24) (  -0.46, -77.32)  237.14                80
 12/09/2018   18:17:15   (   0.01, -75.25) (   0.57, -72.80)  280.16                80
 12/11/2018   06:39:02   (  -0.01, -75.27) (   0.62, -78.07)  318.72                80
 12/12/2018   06:17:38   (  -0.02, -75.28) (  -0.41, -73.54)  198.92                80
 12/13/2018   18:39:34   (   0.02, -75.31) (  -0.78, -78.85)  403.50                80