Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2018   18:10:51   (   0.02, -75.21) (   0.96, -71.16)  462.47                80
 09/01/2018   06:32:39   (  -0.03, -75.22) (   0.24, -76.43)  137.21                80
 09/02/2018   06:11:15   (  -0.03, -75.23) (  -0.75, -71.89)  379.96                80
 09/03/2018   18:33:12   (   0.03, -75.25) (  -0.43, -77.20)  223.07                80
 09/04/2018   18:17:09   (   0.03, -75.25) (   0.62, -72.68)  294.22                80
 09/06/2018   06:38:57   (  -0.04, -75.27) (   0.58, -77.94)  305.14                80
 09/07/2018   06:17:33   (  -0.04, -75.28) (  -0.46, -73.42)  212.37                80
 09/08/2018   18:39:31   (   0.05, -75.30) (  -0.71, -78.73)  389.79                80
 09/09/2018   18:23:26   (   0.04, -75.32) (   0.29, -74.19)  128.36                80
 09/11/2018   06:45:16   (  -0.05, -75.35) (   0.86, -79.47)  469.36                80
 09/12/2018   06:23:51   (  -0.05, -75.37) (  -0.13, -74.94)   49.22                80