Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2018   06:40:27   (  -0.03,-135.20) (  -0.45,-137.20)  226.99                80
 02/03/2018   06:17:08   (  -0.03,-135.23) (   0.66,-132.20)  344.94                80
 02/04/2018   18:35:59   (   0.03,-135.26) (   0.39,-136.76)  171.23                80
 02/05/2018   18:18:00   (   0.02,-135.29) (  -0.78,-131.78)  400.78                80
 02/07/2018   06:37:00   (  -0.02,-135.33) (  -0.27,-136.37)  117.94                80
 02/08/2018   06:13:40   (  -0.02,-135.36) (   0.85,-131.37)  453.47                80
 02/09/2018   18:32:32   (   0.02,-135.38) (   0.15,-135.94)   63.93                80
 02/12/2018   06:33:33   (  -0.00,-135.44) (  -0.02,-135.55)   12.63                80
 02/14/2018   18:31:45   (   0.00,-135.46) (  -0.05,-135.11)   39.51                80