Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 31.  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)
 06/01/2018   06:18:14   (   0.17,-134.92) (   0.39,-133.88)  118.80                80
 06/02/2018   18:37:03   (  -0.17,-134.91) (   0.63,-138.44)  403.07                80
 06/03/2018   18:13:43   (  -0.18,-134.86) (  -0.52,-133.45)  161.42                80
 06/05/2018   06:35:19   (   0.18,-134.75) (  -0.57,-138.04)  374.30                80
 06/06/2018   06:11:59   (   0.19,-134.71) (   0.58,-133.05)  190.03                80
 06/07/2018   18:33:27   (  -0.18,-134.69) (   0.49,-137.60)  332.52                80
 06/08/2018   18:10:07   (  -0.19,-134.64) (  -0.66,-132.61)  231.38                80
 06/10/2018   06:31:43   (   0.18,-134.52) (  -0.43,-137.20)  305.37                80
 06/11/2018   06:08:21   (   0.19,-134.47) (   0.67,-132.20)  258.10                80
 06/12/2018   18:29:51   (  -0.17,-134.43) (   0.34,-136.76)  265.74                80
 06/13/2018   18:06:29   (  -0.19,-134.37) (  -0.75,-131.76)  297.01                80