Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 6.  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)
 10/06/2018   18:23:17   (  -0.30,-135.67) (  -0.04,-136.86)  134.68                80
 10/07/2018   18:05:15   (  -0.28,-135.68) (  -1.10,-131.85)  434.98                80
 10/09/2018   06:24:12   (   0.30,-135.60) (   0.11,-136.46)   97.17                80
 10/10/2018   06:03:31   (   0.29,-135.60) (   1.23,-131.46)  471.76                80
 10/11/2018   18:19:39   (  -0.30,-135.66) (  -0.20,-136.02)   42.07                80
 10/14/2018   06:17:54   (   0.30,-135.58) (   0.27,-135.62)    6.20                80
 10/16/2018   18:18:42   (  -0.30,-135.61) (  -0.41,-135.20)   47.54                80
 10/18/2018   06:37:38   (   0.31,-135.54) (  -0.64,-139.79)  484.46                80
 10/19/2018   06:14:17   (   0.30,-135.52) (   0.48,-134.79)   83.19                80