Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2018   18:14:02   (   0.02, -75.22) (   0.62, -72.66)  291.76                80
 06/18/2018   06:38:30   (  -0.02, -75.23) (   0.57, -77.92)  306.58                80
 06/19/2018   06:17:05   (  -0.02, -75.25) (  -0.46, -73.40)  211.47                80
 06/20/2018   18:41:40   (   0.01, -75.27) (  -0.78, -78.69)  390.05                80
 06/21/2018   18:20:16   (   0.01, -75.29) (   0.25, -74.16)  128.53                80
 06/23/2018   06:44:44   (  -0.01, -75.32) (   0.88, -79.43)  468.30                80
 06/24/2018   06:23:19   (  -0.01, -75.34) (  -0.09, -74.89)   50.60                80
 06/26/2018   18:29:11   (   0.01, -75.40) (  -0.05, -75.67)   30.76                80
 06/27/2018   18:07:46   (   0.01, -75.42) (   0.98, -71.14)  488.55                80
 06/29/2018   06:32:13   (  -0.01, -75.47) (   0.21, -76.40)  107.08                80