Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 5.  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)
 10/05/2018   06:07:08   (   0.28,-135.60) (   1.01,-132.28)  377.91                80
 10/06/2018   18:23:17   (  -0.30,-135.68) (  -0.03,-136.86)  134.55                80
 10/07/2018   18:05:16   (  -0.29,-135.68) (  -1.15,-131.86)  435.14                80
 10/09/2018   06:24:12   (   0.30,-135.60) (   0.10,-136.45)   97.15                80
 10/10/2018   06:03:31   (   0.29,-135.60) (   1.22,-131.46)  471.83                80
 10/11/2018   18:19:40   (  -0.30,-135.66) (  -0.24,-136.03)   41.73                80
 10/14/2018   06:20:35   (   0.31,-135.58) (   0.31,-135.63)    5.31                80
 10/16/2018   18:18:42   (  -0.30,-135.61) (  -0.39,-135.19)   47.90                80
 10/18/2018   06:37:38   (   0.31,-135.54) (  -0.66,-139.78)  484.16                80