Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 28.  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   12:34:58   (  -0.30,-134.76) (   0.40,-137.72)  337.66                80
 07/31/2017   12:23:30   (  -0.30,-134.72) (  -0.22,-134.92)   23.77                80
 08/01/2017   12:09:22   (  -0.30,-134.67) (  -0.90,-132.13)  290.32                80
 08/04/2017   00:31:02   (   0.31,-134.55) (  -0.34,-137.28)  312.20                80
 08/05/2017   00:22:15   (   0.31,-134.50) (   0.33,-134.49)    1.62                80
 08/06/2017   00:10:46   (   0.32,-134.45) (   0.94,-131.69)  314.54                80
 08/08/2017   12:32:11   (  -0.33,-134.33) (   0.22,-136.79)  280.01                80
 08/09/2017   12:18:02   (  -0.33,-134.28) (  -0.41,-133.99)   32.79                80
 08/10/2017   12:06:34   (  -0.33,-134.22) (  -1.03,-131.19)  345.40                80