Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2018   18:32:37   (  -0.01, -75.21) (  -0.47, -77.20)  226.81                80
 03/28/2018   18:16:33   (  -0.01, -75.22) (   0.53, -72.66)  290.97                80
 03/30/2018   06:38:21   (   0.02, -75.25) (   0.63, -77.94)  306.94                80
 03/31/2018   06:16:58   (   0.01, -75.26) (  -0.43, -73.42)  211.09                80
 04/01/2018   18:38:54   (  -0.01, -75.29) (  -0.80, -78.71)  390.46                80
 04/02/2018   18:22:50   (  -0.01, -75.31) (   0.26, -74.19)  128.22                80
 04/04/2018   06:44:39   (   0.01, -75.35) (   0.90, -79.47)  468.18                80
 04/05/2018   06:23:14   (   0.01, -75.38) (  -0.10, -74.94)   50.52                80
 04/07/2018   18:26:27   (  -0.01, -75.44) (  -0.06, -75.71)   31.18                80
 04/08/2018   18:10:23   (  -0.01, -75.47) (   0.95, -71.18)  488.24                80