Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 7.  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)
 09/08/2017   00:31:09   (  -0.27,-135.01) (  -0.58,-136.24)  141.72                80
 09/09/2017   00:22:21   (  -0.27,-135.04) (   0.08,-133.45)  181.11                80
 09/11/2017   12:41:07   (   0.24,-135.20) (   1.00,-138.56)  382.98                80
 09/12/2017   12:29:38   (   0.25,-135.23) (   0.36,-135.77)   61.27                80
 09/13/2017   12:20:50   (   0.25,-135.25) (  -0.29,-132.97)  260.26                80
 09/16/2017   00:39:47   (  -0.22,-135.21) (  -0.88,-138.12)  332.40                80
 09/17/2017   00:28:18   (  -0.22,-135.23) (  -0.27,-135.32)   11.36                80
 09/18/2017   00:19:30   (  -0.23,-135.25) (   0.39,-132.52)  310.51                80
 09/20/2017   12:38:17   (   0.19,-135.39) (   0.68,-137.64)  256.43                80
 09/21/2017   12:29:28   (   0.20,-135.41) (   0.09,-134.84)   64.62                80