Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 9.  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)
 05/10/2018   18:10:59   (  -0.14,-135.46) (  -0.79,-132.62)  324.41                80
 05/12/2018   06:29:56   (   0.14,-135.43) (  -0.26,-137.21)  203.57                80
 05/13/2018   06:11:55   (   0.14,-135.42) (   0.82,-132.21)  364.35                80
 05/14/2018   18:30:45   (  -0.14,-135.41) (   0.15,-136.79)  155.99                80
 05/15/2018   18:07:24   (  -0.14,-135.40) (  -0.94,-131.79)  411.15                80
 05/17/2018   06:26:21   (   0.15,-135.34) (  -0.10,-136.38)  118.63                80
 05/18/2018   06:08:20   (   0.15,-135.32) (   1.04,-131.39)  448.07                80
 05/19/2018   18:27:10   (  -0.16,-135.31) (  -0.01,-135.95)   73.78                80
 05/20/2018   18:03:48   (  -0.16,-135.28) (  -1.10,-130.95)  492.37                80
 05/22/2018   06:22:46   (   0.16,-135.21) (   0.07,-135.55)   38.63                80