Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 2 12.  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)
 02/14/2018   18:31:46   (   0.02,-135.40) (  -0.07,-135.12)   33.44                80
 02/16/2018   06:50:45   (  -0.02,-135.42) (  -0.98,-139.71)  488.52                80
 02/17/2018   06:27:25   (  -0.02,-135.43) (   0.14,-134.71)   81.14                80
 02/18/2018   18:46:18   (   0.02,-135.43) (   0.85,-139.28)  438.94                80
 02/19/2018   18:28:17   (   0.02,-135.43) (  -0.21,-134.28)  130.49                80
 02/21/2018   06:47:18   (  -0.02,-135.43) (  -0.78,-138.88)  392.47                80
 02/22/2018   06:23:58   (  -0.02,-135.43) (   0.34,-133.89)  176.27                80
 02/23/2018   18:42:49   (   0.01,-135.41) (   0.71,-138.44)  345.57                80
 02/24/2018   18:24:50   (   0.01,-135.41) (  -0.41,-133.45)  222.65                80
 02/26/2018   06:43:50   (  -0.01,-135.40) (  -0.57,-138.05)  301.92                80