Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 23.  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)
 10/24/2018   06:10:38   (   0.31,-135.37) (   0.63,-133.95)  161.47                80
 10/25/2018   18:29:26   (  -0.31,-135.39) (   0.39,-138.52)  356.83                80
 10/26/2018   18:11:25   (  -0.31,-135.36) (  -0.74,-133.52)  209.82                80
 10/28/2018   06:30:21   (   0.31,-135.26) (  -0.32,-138.11)  325.12                80
 10/29/2018   06:06:58   (   0.30,-135.22) (   0.75,-133.11)  240.23                80
 10/30/2018   18:25:47   (  -0.30,-135.22) (   0.26,-137.67)  280.37                80
 10/31/2018   18:07:45   (  -0.30,-135.18) (  -0.87,-132.68)  285.26                80
 11/02/2018   06:26:42   (   0.30,-135.08) (  -0.19,-137.27)  250.12                80
 11/03/2018   06:03:19   (   0.29,-135.03) (   0.88,-132.26)  314.54                80
 11/04/2018   18:22:07   (  -0.29,-135.01) (   0.13,-136.83)  207.43                80
 11/05/2018   18:04:06   (  -0.29,-134.97) (  -1.00,-131.84)  357.79                80