Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 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)
 07/31/2017   12:23:30   (  -0.30,-134.72) (  -0.24,-134.92)   23.56                80
 08/01/2017   12:09:22   (  -0.30,-134.67) (  -0.86,-132.12)  290.25                80
 08/04/2017   00:31:02   (   0.31,-134.54) (  -0.32,-137.28)  312.74                80
 08/05/2017   00:19:34   (   0.31,-134.49) (   0.29,-134.48)    2.99                80
 08/06/2017   00:10:46   (   0.32,-134.44) (   0.96,-131.70)  313.81                80
 08/08/2017   12:32:10   (  -0.33,-134.32) (   0.25,-136.78)  280.68                80
 08/09/2017   12:18:02   (  -0.33,-134.27) (  -0.38,-133.98)   32.02                80
 08/10/2017   12:06:33   (  -0.33,-134.21) (  -1.01,-131.19)  344.56                80
 08/13/2017   00:28:15   (   0.33,-134.04) (  -0.18,-136.35)  262.91                80