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)
 07/16/2018   06:10:44   (  -0.03, -75.20) (  -0.77, -71.82)  384.38                80
 07/17/2018   18:32:40   (   0.03, -75.22) (  -0.41, -77.13)  217.69                80
 07/18/2018   18:16:36   (   0.03, -75.23) (   0.63, -72.60)  300.52                80
 07/20/2018   06:38:23   (  -0.03, -75.26) (   0.53, -77.87)  297.03                80
 07/21/2018   06:16:58   (  -0.03, -75.28) (  -0.45, -73.33)  221.53                80
 07/22/2018   18:41:34   (   0.04, -75.31) (  -0.73, -78.63)  379.44                80
 07/23/2018   18:22:49   (   0.04, -75.33) (   0.31, -74.10)  139.39                80
 07/25/2018   06:44:37   (  -0.05, -75.36) (   0.85, -79.37)  457.25                80
 07/26/2018   06:23:12   (  -0.05, -75.38) (  -0.19, -74.84)   61.90                80
 07/28/2018   18:26:23   (   0.05, -75.45) (   0.00, -75.61)   18.67                80