Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 29.  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)
 07/30/2017   12:34:59   (  -0.30,-134.76) (   0.36,-137.72)  337.65                80
 07/31/2017   12:23:30   (  -0.30,-134.72) (  -0.26,-134.93)   23.66                80
 08/01/2017   12:09:22   (  -0.30,-134.67) (  -0.88,-132.13)  290.23                80
 08/04/2017   00:31:03   (   0.31,-134.55) (  -0.30,-137.29)  312.48                80
 08/05/2017   00:22:14   (   0.31,-134.50) (   0.31,-134.49)    1.20                80
 08/06/2017   00:10:47   (   0.32,-134.45) (   0.98,-131.70)  314.18                80
 08/08/2017   12:32:11   (  -0.33,-134.33) (   0.23,-136.79)  280.37                80
 08/09/2017   12:18:02   (  -0.33,-134.27) (  -0.39,-133.99)   32.35                80
 08/10/2017   12:06:34   (  -0.33,-134.21) (  -1.02,-131.19)  344.96                80