Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2018   18:10:59   (   0.01, -75.22) (   0.92, -71.16)  462.08                80
 09/17/2018   06:32:48   (  -0.02, -75.24) (   0.22, -76.44)  136.05                80
 09/18/2018   06:11:24   (  -0.02, -75.25) (  -0.77, -71.91)  381.65                80
 09/19/2018   18:36:01   (   0.03, -75.27) (  -0.39, -77.22)  221.29                80
 09/20/2018   18:17:16   (   0.03, -75.29) (   0.61, -72.68)  296.78                80
 09/22/2018   06:39:06   (  -0.03, -75.32) (   0.54, -77.96)  300.20                80
 09/23/2018   06:17:41   (  -0.03, -75.34) (  -0.46, -73.43)  218.29                80
 09/24/2018   18:42:18   (   0.03, -75.37) (  -0.70, -78.74)  383.39                80
 09/25/2018   18:20:54   (   0.03, -75.39) (   0.30, -74.20)  135.47                80
 09/27/2018   06:45:22   (  -0.03, -75.43) (   0.90, -79.47)  460.46                80
 09/28/2018   06:23:59   (  -0.03, -75.46) (  -0.16, -74.95)   58.56                80