Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 27.  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)
 07/28/2017   00:13:32   (   0.29,-134.86) (   0.81,-132.62)  255.61                80
 07/30/2017   12:34:58   (  -0.30,-134.76) (   0.41,-137.71)  337.65                80
 07/31/2017   12:23:30   (  -0.30,-134.72) (  -0.27,-134.93)   23.57                80
 08/01/2017   12:09:22   (  -0.30,-134.67) (  -0.89,-132.13)  290.45                80
 08/04/2017   00:31:03   (   0.31,-134.55) (  -0.30,-137.29)  311.75                80
 08/05/2017   00:22:14   (   0.31,-134.51) (   0.31,-134.49)    2.22                80
 08/06/2017   00:10:47   (   0.32,-134.46) (   0.97,-131.70)  315.09                80
 08/08/2017   12:32:11   (  -0.33,-134.34) (   0.24,-136.79)  279.50                80
 08/09/2017   12:18:02   (  -0.33,-134.28) (  -0.38,-133.99)   33.36                80
 08/10/2017   12:06:34   (  -0.33,-134.23) (  -1.00,-131.19)  346.02                80