Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 4.  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)
 06/05/2018   06:35:19   (   0.18,-134.75) (  -0.56,-138.04)  374.27                80
 06/06/2018   06:11:58   (   0.19,-134.71) (   0.53,-133.04)  190.06                80
 06/07/2018   18:33:27   (  -0.18,-134.69) (   0.48,-137.60)  332.25                80
 06/08/2018   18:10:06   (  -0.19,-134.64) (  -0.61,-132.60)  231.62                80
 06/10/2018   06:31:43   (   0.18,-134.52) (  -0.42,-137.20)  305.42                80
 06/11/2018   06:08:22   (   0.18,-134.47) (   0.67,-132.20)  258.05                80
 06/12/2018   18:29:51   (  -0.17,-134.43) (   0.34,-136.76)  265.54                80
 06/13/2018   18:06:29   (  -0.19,-134.37) (  -0.76,-131.76)  297.18                80
 06/15/2018   06:28:07   (   0.17,-134.23) (  -0.28,-136.36)  241.66                80
 06/16/2018   06:04:45   (   0.19,-134.17) (   0.82,-131.36)  320.63                80
 06/17/2018   18:26:13   (  -0.18,-134.13) (   0.25,-135.91)  204.17                80
 06/18/2018   18:02:53   (  -0.19,-134.06) (  -0.91,-130.93)  357.90                80