Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 1.  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)
 03/01/2018   18:21:22   (   0.02,-135.37) (  -0.59,-132.62)  313.67                80
 03/03/2018   06:37:41   (  -0.02,-135.35) (  -0.46,-137.21)  212.58                80
 03/04/2018   06:19:42   (  -0.03,-135.33) (   0.66,-132.22)  355.19                80
 03/05/2018   18:35:53   (   0.03,-135.32) (   0.38,-136.77)  166.74                80
 03/06/2018   18:17:54   (   0.03,-135.30) (  -0.75,-131.78)  400.84                80
 03/08/2018   06:34:14   (  -0.02,-135.27) (  -0.24,-136.39)  126.26                80
 03/09/2018   06:16:14   (  -0.03,-135.25) (   0.82,-131.38)  440.84                80
 03/10/2018   18:32:25   (   0.02,-135.22) (   0.21,-135.94)   82.32                80
 03/11/2018   18:14:25   (   0.03,-135.20) (  -0.91,-130.95)  484.56                80
 03/13/2018   06:30:46   (  -0.02,-135.16) (  -0.08,-135.55)   43.60                80