Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 28.  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   06:38:02   (   0.15,-135.13) (  -0.70,-138.89)  429.15                80
 06/30/2018   06:14:42   (   0.17,-135.15) (   0.45,-133.90)  142.75                80
 07/01/2018   18:36:10   (  -0.15,-135.22) (   0.59,-138.46)  369.89                80
 07/02/2018   18:12:50   (  -0.17,-135.24) (  -0.58,-133.48)  201.66                80
 07/04/2018   06:34:27   (   0.15,-135.26) (  -0.47,-138.07)  319.85                80
 07/05/2018   06:11:07   (   0.17,-135.28) (   0.69,-133.08)  251.48                80
 07/06/2018   18:32:35   (  -0.15,-135.34) (   0.34,-137.64)  261.93                80
 07/07/2018   18:09:13   (  -0.17,-135.36) (  -0.76,-132.64)  308.92                80
 07/09/2018   06:30:51   (   0.14,-135.36) (  -0.29,-137.24)  213.87                80
 07/10/2018   06:07:30   (   0.16,-135.38) (   0.88,-132.25)  356.42                80
 07/11/2018   18:28:58   (  -0.13,-135.41) (   0.15,-136.81)  158.59                80
 07/12/2018   18:05:37   (  -0.16,-135.42) (  -0.95,-131.81)  411.07                80