Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 2 9.  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)
 02/12/2018   06:33:33   (  -0.02,-135.39) (  -0.06,-135.54)   17.43                80
 02/14/2018   18:31:46   (   0.01,-135.41) (  -0.06,-135.12)   33.67                80
 02/16/2018   06:50:45   (  -0.01,-135.43) (  -0.99,-139.70)  488.09                80
 02/17/2018   06:27:25   (  -0.01,-135.43) (   0.13,-134.71)   81.69                80
 02/18/2018   18:46:18   (   0.01,-135.43) (   0.87,-139.28)  438.21                80
 02/19/2018   18:28:18   (   0.01,-135.44) (  -0.25,-134.29)  131.28                80
 02/21/2018   06:47:17   (  -0.01,-135.44) (  -0.79,-138.88)  391.52                80
 02/22/2018   06:23:58   (  -0.01,-135.44) (   0.32,-133.88)  177.30                80
 02/23/2018   18:42:50   (   0.01,-135.43) (   0.67,-138.45)  344.39                80