Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2018   06:38:57   (  -0.03, -75.21) (   0.56, -77.94)  310.84                80
 09/07/2018   06:17:33   (  -0.03, -75.22) (  -0.43, -73.41)  206.40                80
 09/08/2018   18:39:30   (   0.04, -75.25) (  -0.74, -78.72)  395.61                80
 09/09/2018   18:23:26   (   0.04, -75.26) (   0.25, -74.18)  122.26                80
 09/11/2018   06:45:15   (  -0.04, -75.28) (   0.90, -79.46)  476.49                80
 09/12/2018   06:23:50   (  -0.04, -75.30) (  -0.10, -74.93)   41.87                80
 09/14/2018   18:27:04   (   0.04, -75.36) (  -0.02, -75.71)   40.25                80
 09/15/2018   18:11:00   (   0.04, -75.38) (   0.98, -71.18)  478.55                80
 09/17/2018   06:32:49   (  -0.05, -75.41) (   0.17, -76.46)  119.02                80
 09/18/2018   06:11:25   (  -0.05, -75.43) (  -0.82, -71.92)  399.93                80