Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 4.  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)  375.37                80
 07/07/2018   01:07:45   (   0.26,-135.34) (   0.18,-135.79)   51.23                80
 07/08/2018   00:58:51   (   0.26,-135.36) (   0.83,-132.97)  272.76                80
 07/10/2018   13:17:31   (  -0.28,-135.39) (   0.35,-138.03)  301.88                80
 07/11/2018   13:05:58   (  -0.28,-135.40) (  -0.30,-135.22)   21.25                80
 07/12/2018   12:57:04   (  -0.28,-135.41) (  -0.96,-132.40)  343.97                80
 07/15/2018   01:15:43   (   0.30,-135.44) (  -0.16,-137.46)  230.58                80
 07/16/2018   01:06:50   (   0.30,-135.45) (   0.50,-134.64)   91.99                80
 07/17/2018   00:55:16   (   0.30,-135.45) (   1.15,-131.82)  414.53                80
 07/18/2018   13:28:08   (  -0.31,-135.46) (   0.69,-139.69)  484.23                80