Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2018   06:39:03   (   0.00, -75.20) (   0.63, -78.01)  320.85                80
 11/10/2018   06:17:38   (   0.00, -75.20) (  -0.38, -73.49)  195.68                80
 11/11/2018   18:39:34   (  -0.01, -75.21) (  -0.82, -78.79)  408.65                80
 11/12/2018   18:23:30   (  -0.01, -75.21) (   0.20, -74.26)  108.21                80
 11/14/2018   06:45:18   (   0.01, -75.23) (   0.95, -79.54)  491.31                80
 11/15/2018   06:23:54   (   0.00, -75.23) (  -0.07, -75.01)   26.00                80
 11/17/2018   18:27:06   (  -0.00, -75.26) (  -0.11, -75.79)   59.86                80
 11/18/2018   18:11:01   (  -0.00, -75.28) (   0.91, -71.26)  457.89                80
 11/20/2018   06:32:48   (   0.00, -75.30) (   0.29, -76.53)  140.28                80
 11/21/2018   06:11:24   (   0.00, -75.32) (  -0.73, -72.00)  377.71                80
 11/22/2018   18:33:20   (  -0.01, -75.34) (  -0.47, -77.31)  224.58                80