Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2016   11:55:05   (  -0.20,-135.47) (   0.46,-138.39)  333.20                80
 07/12/2016   11:43:44   (  -0.20,-135.45) (  -0.17,-135.63)   19.52                80
 07/13/2016   11:35:03   (  -0.20,-135.44) (  -0.81,-132.87)  294.12                80
 07/15/2016   23:54:20   (   0.22,-135.39) (  -0.39,-138.11)  310.42                80
 07/16/2016   23:45:39   (   0.22,-135.37) (   0.23,-135.35)    2.60                80
 07/17/2016   23:34:17   (   0.22,-135.35) (   0.86,-132.59)  315.05                80
 07/20/2016   11:53:19   (  -0.24,-135.29) (   0.31,-137.77)  282.36                80
 07/21/2016   11:44:37   (  -0.24,-135.26) (  -0.27,-135.00)   30.04                80
 07/22/2016   11:33:15   (  -0.24,-135.23) (  -0.91,-132.23)  341.97                80