Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 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)
 05/31/2018   06:38:55   (   0.17,-134.96) (  -0.70,-138.87)  446.09                80
 06/01/2018   06:18:14   (   0.18,-134.92) (   0.39,-133.87)  118.85                80
 06/02/2018   18:37:03   (  -0.17,-134.91) (   0.63,-138.44)  403.11                80
 06/03/2018   18:13:43   (  -0.18,-134.86) (  -0.52,-133.45)  161.39                80
 06/05/2018   06:35:19   (   0.18,-134.76) (  -0.57,-138.03)  374.18                80
 06/06/2018   06:11:59   (   0.19,-134.71) (   0.58,-133.05)  190.16                80
 06/07/2018   18:33:27   (  -0.18,-134.69) (   0.50,-137.60)  332.48                80
 06/08/2018   18:10:07   (  -0.19,-134.64) (  -0.66,-132.61)  231.45                80
 06/10/2018   06:31:43   (   0.18,-134.52) (  -0.43,-137.20)  305.14                80
 06/11/2018   06:08:21   (   0.19,-134.47) (   0.66,-132.20)  258.36                80
 06/12/2018   18:29:51   (  -0.17,-134.43) (   0.35,-136.76)  265.61                80
 06/13/2018   18:06:29   (  -0.19,-134.37) (  -0.74,-131.76)  297.17                80