Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 17.  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)
 08/17/2018   18:20:14   (   0.03,-135.10) (  -0.31,-133.42)  190.24                80
 08/19/2018   06:41:52   (  -0.08,-135.00) (  -0.77,-138.01)  343.23                80
 08/20/2018   06:18:32   (  -0.05,-134.96) (   0.40,-133.02)  221.49                80
 08/21/2018   18:40:01   (   0.09,-134.95) (   0.70,-137.56)  297.93                80
 08/22/2018   18:16:41   (   0.06,-134.92) (  -0.47,-132.58)  266.42                80
 08/24/2018   06:38:19   (  -0.11,-134.81) (  -0.61,-137.17)  268.07                80
 08/25/2018   06:14:59   (  -0.07,-134.77) (   0.50,-132.17)  295.97                80
 08/26/2018   18:36:28   (   0.12,-134.75) (   0.53,-136.72)  224.37                80
 08/27/2018   18:13:08   (   0.09,-134.71) (  -0.58,-131.73)  339.41                80
 08/29/2018   06:34:46   (  -0.13,-134.59) (  -0.50,-136.31)  195.89                80
 08/30/2018   06:11:26   (  -0.10,-134.54) (   0.61,-131.32)  367.53                80