Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 7.  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)
 09/08/2018   06:27:49   (   0.21,-135.11) (   0.29,-134.73)   43.19                80
 09/09/2018   18:43:59   (  -0.24,-135.24) (   0.69,-139.30)  462.60                80
 09/10/2018   18:25:59   (  -0.22,-135.28) (  -0.42,-134.30)  111.21                80
 09/12/2018   06:42:18   (   0.25,-135.26) (  -0.58,-138.91)  415.80                80
 09/13/2018   06:24:17   (   0.23,-135.29) (   0.54,-133.91)  157.38                80
 09/14/2018   18:40:28   (  -0.25,-135.41) (   0.45,-138.48)  349.43                80
 09/15/2018   18:22:27   (  -0.24,-135.45) (  -0.67,-133.48)  223.84                80
 09/17/2018   06:38:46   (   0.26,-135.42) (  -0.32,-138.08)  303.56                80
 09/18/2018   06:20:45   (   0.24,-135.44) (   0.74,-133.08)  268.91                80
 09/19/2018   18:36:56   (  -0.26,-135.55) (   0.20,-137.65)  239.49                80
 09/20/2018   18:18:56   (  -0.25,-135.58) (  -0.92,-132.66)  333.06                80