Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 10 7.  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)
 10/09/2018   06:21:32   (   0.30,-135.60) (   0.09,-136.45)   97.32                80
 10/10/2018   06:03:30   (   0.29,-135.60) (   1.21,-131.46)  471.58                80
 10/11/2018   18:19:40   (  -0.30,-135.65) (  -0.23,-136.03)   42.41                80
 10/14/2018   06:20:35   (   0.30,-135.57) (   0.30,-135.63)    5.87                80
 10/16/2018   18:18:41   (  -0.30,-135.60) (  -0.39,-135.19)   46.76                80
 10/18/2018   06:37:38   (   0.31,-135.53) (  -0.66,-139.78)  485.14                80
 10/19/2018   06:14:16   (   0.30,-135.51) (   0.47,-134.79)   82.43                80
 10/20/2018   18:33:05   (  -0.31,-135.54) (   0.56,-139.35)  435.03                80
 10/21/2018   18:15:03   (  -0.30,-135.52) (  -0.56,-134.36)  132.86                80