Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 31.  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)
 08/01/2017   12:09:22   (  -0.30,-134.67) (  -0.90,-132.13)  290.23                80
 08/04/2017   00:31:02   (   0.31,-134.54) (  -0.34,-137.28)  312.88                80
 08/05/2017   00:22:15   (   0.31,-134.49) (   0.32,-134.49)    1.23                80
 08/06/2017   00:10:46   (   0.32,-134.44) (   0.94,-131.69)  313.63                80
 08/08/2017   12:32:11   (  -0.33,-134.32) (   0.21,-136.79)  280.91                80
 08/09/2017   12:18:02   (  -0.33,-134.27) (  -0.41,-133.99)   31.84                80
 08/10/2017   12:06:34   (  -0.33,-134.21) (  -1.04,-131.19)  344.29                80
 08/13/2017   00:28:15   (   0.33,-134.04) (  -0.21,-136.34)  263.31                80
 08/14/2017   00:19:26   (   0.33,-133.98) (   0.42,-133.55)   48.79                80