Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2018   18:32:40   (   0.01, -75.21) (  -0.42, -77.12)  217.92                80
 07/18/2018   18:16:36   (   0.01, -75.22) (   0.62, -72.60)  299.67                80
 07/20/2018   06:38:22   (  -0.01, -75.24) (   0.60, -77.85)  298.71                80
 07/21/2018   06:16:57   (  -0.01, -75.25) (  -0.44, -73.32)  219.24                80
 07/22/2018   18:38:54   (   0.01, -75.27) (  -0.74, -78.63)  382.75                80
 07/23/2018   18:22:49   (   0.01, -75.29) (   0.30, -74.10)  135.51                80
 07/25/2018   06:44:36   (  -0.02, -75.31) (   0.92, -79.36)  461.91                80
 07/26/2018   06:23:11   (  -0.02, -75.33) (  -0.12, -74.83)   56.63                80
 07/28/2018   18:26:23   (   0.02, -75.38) (  -0.01, -75.61)   25.63                80
 07/29/2018   18:10:17   (   0.01, -75.40) (   0.98, -71.07)  493.66                80