Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 2 8.  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)
 02/09/2018   18:32:32   (   0.03,-135.35) (   0.17,-135.94)   66.76                80
 02/12/2018   06:33:33   (  -0.02,-135.39) (  -0.05,-135.54)   17.37                80
 02/14/2018   18:31:46   (   0.01,-135.41) (  -0.07,-135.12)   33.87                80
 02/16/2018   06:50:45   (  -0.01,-135.43) (  -0.97,-139.71)  487.86                80
 02/17/2018   06:27:26   (  -0.01,-135.44) (   0.14,-134.71)   81.92                80
 02/18/2018   18:46:18   (   0.01,-135.44) (   0.85,-139.28)  437.93                80
 02/19/2018   18:28:18   (   0.01,-135.44) (  -0.26,-134.29)  131.62                80
 02/21/2018   06:47:18   (  -0.01,-135.45) (  -0.78,-138.88)  391.10                80
 02/22/2018   06:23:58   (  -0.01,-135.45) (   0.34,-133.89)  177.74                80