Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 5.  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)
 07/06/2018   01:19:18   (   0.26,-135.32) (  -0.48,-138.61)  374.97                80
 07/07/2018   01:07:45   (   0.26,-135.34) (   0.17,-135.79)   50.71                80
 07/08/2018   00:58:51   (   0.26,-135.37) (   0.82,-132.97)  273.33                80
 07/10/2018   13:17:31   (  -0.28,-135.40) (   0.36,-138.03)  301.47                80
 07/11/2018   13:05:58   (  -0.28,-135.41) (  -0.30,-135.21)   21.84                80
 07/12/2018   12:57:04   (  -0.28,-135.42) (  -0.95,-132.39)  344.56                80
 07/15/2018   01:15:43   (   0.30,-135.45) (  -0.17,-137.46)  229.41                80
 07/16/2018   01:06:49   (   0.30,-135.46) (   0.49,-134.64)   93.23                80
 07/17/2018   00:55:16   (   0.30,-135.46) (   1.14,-131.82)  415.87                80
 07/18/2018   13:28:09   (  -0.31,-135.47) (   0.65,-139.71)  483.12                80
 07/19/2018   13:16:35   (  -0.31,-135.47) (   0.04,-136.88)  160.69                80