Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 6 30.  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)
 07/01/2017   00:21:39   (   0.18,-135.46) (   0.22,-135.33)   14.73                80
 07/02/2017   00:10:11   (   0.18,-135.46) (   0.86,-132.54)  332.86                80
 07/04/2017   12:29:05   (  -0.20,-135.43) (   0.32,-137.67)  256.29                80
 07/05/2017   12:20:18   (  -0.20,-135.42) (  -0.33,-134.89)   61.30                80
 07/06/2017   12:08:50   (  -0.20,-135.41) (  -0.99,-132.10)  378.73                80
 07/09/2017   00:27:45   (   0.22,-135.39) (  -0.23,-137.23)  210.83                80
 07/10/2017   00:18:58   (   0.22,-135.37) (   0.41,-134.44)  106.13                80
 07/11/2017   00:07:30   (   0.22,-135.36) (   1.05,-131.65)  422.92                80
 07/12/2017   12:37:50   (  -0.24,-135.33) (   0.72,-139.57)  484.33                80
 07/13/2017   12:26:22   (  -0.24,-135.31) (   0.12,-136.77)  167.87                80
 07/14/2017   12:17:34   (  -0.24,-135.28) (  -0.54,-133.98)  148.50                80