Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 27.  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)
 06/29/2018   06:38:03   (   0.15,-135.13) (  -0.67,-138.90)  429.13                80
 06/30/2018   06:14:41   (   0.17,-135.16) (   0.43,-133.90)  142.80                80
 07/01/2018   18:36:11   (  -0.15,-135.22) (   0.55,-138.47)  369.95                80
 07/02/2018   18:12:49   (  -0.17,-135.24) (  -0.55,-133.47)  201.64                80
 07/04/2018   06:34:27   (   0.15,-135.26) (  -0.50,-138.06)  319.76                80
 07/05/2018   06:11:06   (   0.17,-135.29) (   0.66,-133.08)  251.58                80
 07/06/2018   18:32:34   (  -0.15,-135.34) (   0.37,-137.64)  261.90                80
 07/07/2018   18:09:14   (  -0.17,-135.36) (  -0.79,-132.65)  308.97                80
 07/09/2018   06:30:51   (   0.14,-135.36) (  -0.25,-137.24)  213.68                80
 07/10/2018   06:07:30   (   0.16,-135.38) (   0.85,-132.25)  356.62                80
 07/11/2018   18:28:58   (  -0.13,-135.42) (   0.18,-136.81)  158.44                80