Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 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)
 08/12/2018   18:23:47   (   0.01,-135.24) (  -0.21,-134.28)  110.23                80
 08/14/2018   06:45:25   (  -0.05,-135.16) (  -0.87,-138.86)  421.89                80
 08/15/2018   06:22:05   (  -0.02,-135.13) (   0.24,-133.87)  143.73                80
 08/16/2018   18:43:34   (   0.06,-135.13) (   0.80,-138.42)  374.37                80
 08/17/2018   18:20:15   (   0.03,-135.11) (  -0.37,-133.44)  190.94                80
 08/19/2018   06:41:52   (  -0.08,-135.01) (  -0.77,-138.01)  342.02                80
 08/20/2018   06:18:32   (  -0.05,-134.98) (   0.40,-133.02)  222.99                80
 08/21/2018   18:40:01   (   0.09,-134.97) (   0.70,-137.56)  296.08                80
 08/22/2018   18:16:41   (   0.06,-134.94) (  -0.47,-132.58)  268.52                80
 08/24/2018   06:38:19   (  -0.11,-134.83) (  -0.61,-137.17)  265.48                80
 08/25/2018   06:14:59   (  -0.07,-134.79) (   0.50,-132.17)  298.84                80