Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 23.  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)
 08/25/2017   12:37:55   (   0.32,-135.10) (   0.92,-137.61)  286.85                80
 08/26/2017   12:23:47   (   0.33,-135.10) (   0.29,-134.81)   32.50                80
 08/27/2017   12:12:19   (   0.33,-135.10) (  -0.41,-132.03)  351.54                80
 08/30/2017   00:34:00   (  -0.31,-135.04) (  -0.82,-137.18)  245.19                80
 08/31/2017   00:25:11   (  -0.31,-135.04) (  -0.17,-134.39)   73.70                80
 09/01/2017   00:13:43   (  -0.31,-135.04) (   0.47,-131.59)  392.52                80
 09/03/2017   12:32:27   (   0.28,-135.09) (   0.66,-136.69)  182.49                80
 09/04/2017   12:20:58   (   0.29,-135.08) (   0.03,-133.89)  135.48                80
 09/05/2017   12:09:30   (   0.29,-135.07) (  -0.61,-131.10)  453.30                80