Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2018   06:44:25   (   0.00, -75.19) (   0.94, -79.41)  480.55                80
 03/04/2018   06:23:00   (   0.00, -75.19) (  -0.06, -74.88)   35.89                80
 03/06/2018   18:26:14   (  -0.00, -75.22) (  -0.08, -75.66)   50.20                80
 03/07/2018   18:10:10   (   0.00, -75.23) (   0.92, -71.13)  467.05                80
 03/09/2018   06:31:58   (   0.00, -75.23) (   0.26, -76.40)  132.91                80
 03/10/2018   06:10:34   (   0.00, -75.24) (  -0.73, -71.87)  384.31                80
 03/11/2018   18:32:31   (  -0.00, -75.27) (  -0.45, -77.18)  217.91                80
 03/12/2018   18:16:27   (   0.00, -75.28) (   0.60, -72.66)  299.87                80
 03/14/2018   06:38:16   (  -0.00, -75.30) (   0.57, -77.93)  298.87                80
 03/15/2018   06:16:51   (  -0.01, -75.32) (  -0.42, -73.39)  219.01                80