Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 2 13.  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   18:31:45   (   0.02,-135.40) (  -0.03,-135.11)   33.39                80
 02/16/2018   06:50:45   (  -0.02,-135.42) (  -0.95,-139.71)  488.46                80
 02/17/2018   06:27:26   (  -0.02,-135.43) (   0.16,-134.72)   81.26                80
 02/18/2018   18:46:17   (   0.02,-135.43) (   0.89,-139.27)  438.88                80
 02/19/2018   18:28:18   (   0.02,-135.43) (  -0.23,-134.28)  130.49                80
 02/21/2018   06:47:17   (  -0.02,-135.43) (  -0.82,-138.87)  392.44                80
 02/22/2018   06:23:58   (  -0.02,-135.43) (   0.30,-133.88)  176.31                80
 02/23/2018   18:42:50   (   0.02,-135.41) (   0.69,-138.45)  345.54                80
 02/24/2018   18:24:50   (   0.01,-135.41) (  -0.43,-133.46)  222.67                80
 02/26/2018   06:43:50   (  -0.01,-135.40) (  -0.61,-138.05)  301.91                80
 02/27/2018   06:20:30   (  -0.01,-135.39) (   0.51,-133.05)  265.91                80