Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 8.  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)
 03/09/2018   06:16:14   (  -0.02,-135.23) (   0.82,-131.38)  437.98                80
 03/10/2018   18:32:25   (   0.01,-135.20) (   0.21,-135.94)   84.89                80
 03/11/2018   18:14:25   (   0.02,-135.18) (  -0.92,-130.95)  481.50                80
 03/13/2018   06:30:46   (  -0.01,-135.12) (  -0.08,-135.55)   48.49                80
 03/15/2018   18:28:57   (   0.01,-135.06) (   0.04,-135.11)    6.33                80
 03/18/2018   06:29:56   (  -0.01,-134.96) (   0.03,-134.70)   28.86                80
 03/19/2018   18:46:08   (   0.01,-134.92) (   0.99,-139.27)  495.83                80
 03/20/2018   18:28:08   (   0.01,-134.88) (  -0.13,-134.27)   69.25                80
 03/22/2018   06:44:27   (  -0.01,-134.80) (  -0.93,-138.86)  462.87                80