Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 6 3.  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   06:35:20   (   0.18,-134.75) (  -0.53,-138.04)  374.30                80
 06/06/2018   06:11:58   (   0.19,-134.71) (   0.56,-133.04)  190.01                80
 06/07/2018   18:33:28   (  -0.18,-134.69) (   0.45,-137.61)  332.27                80
 06/08/2018   18:10:06   (  -0.19,-134.64) (  -0.64,-132.61)  231.58                80
 06/10/2018   06:31:43   (   0.18,-134.52) (  -0.39,-137.20)  305.44                80
 06/11/2018   06:08:22   (   0.18,-134.47) (   0.70,-132.20)  258.04                80
 06/12/2018   18:29:50   (  -0.17,-134.43) (   0.37,-136.76)  265.55                80
 06/13/2018   18:06:30   (  -0.19,-134.37) (  -0.79,-131.77)  297.20                80
 06/15/2018   06:28:06   (   0.17,-134.23) (  -0.30,-136.35)  241.63                80
 06/16/2018   06:04:45   (   0.19,-134.17) (   0.79,-131.35)  320.67                80
 06/17/2018   18:26:14   (  -0.18,-134.13) (   0.21,-135.92)  204.11                80