Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2018   18:32:31   (  -0.01, -75.21) (  -0.43, -77.18)  224.01                80
 03/12/2018   18:16:27   (  -0.01, -75.22) (   0.57, -72.65)  293.77                80
 03/14/2018   06:38:15   (   0.01, -75.23) (   0.61, -77.92)  306.49                80
 03/15/2018   06:16:51   (   0.01, -75.24) (  -0.39, -73.39)  211.37                80
 03/16/2018   18:38:48   (  -0.01, -75.29) (  -0.79, -78.69)  388.30                80
 03/17/2018   18:22:44   (  -0.01, -75.31) (   0.26, -74.17)  130.17                80
 03/19/2018   06:44:32   (   0.01, -75.33) (   0.96, -79.43)  468.74                80
 03/20/2018   06:23:08   (   0.01, -75.35) (  -0.09, -74.91)   49.63                80
 03/22/2018   18:26:21   (  -0.01, -75.42) (  -0.08, -75.69)   31.08                80
 03/23/2018   18:10:18   (  -0.01, -75.45) (   0.97, -71.17)  487.76                80