Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2018   18:36:10   (  -0.15,-135.22) (   0.59,-138.46)  369.69                80
 07/02/2018   18:12:50   (  -0.17,-135.24) (  -0.57,-133.47)  201.85                80
 07/04/2018   06:34:27   (   0.15,-135.26) (  -0.47,-138.07)  319.93                80
 07/05/2018   06:11:06   (   0.17,-135.28) (   0.69,-133.08)  251.40                80
 07/06/2018   18:32:35   (  -0.15,-135.34) (   0.35,-137.64)  261.77                80
 07/07/2018   18:09:13   (  -0.17,-135.36) (  -0.76,-132.64)  309.05                80
 07/09/2018   06:30:51   (   0.14,-135.36) (  -0.29,-137.24)  214.03                80
 07/10/2018   06:07:30   (   0.16,-135.37) (   0.87,-132.25)  356.25                80
 07/11/2018   18:28:58   (  -0.13,-135.42) (   0.16,-136.81)  158.48                80
 07/12/2018   18:05:37   (  -0.16,-135.42) (  -0.95,-131.81)  411.14                80
 07/14/2018   06:27:14   (   0.13,-135.41) (  -0.10,-136.41)  113.53                80