Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 3.  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)
 07/04/2018   18:34:00   (  -0.15,-135.30) (   0.04,-136.00)   80.35                80
 07/05/2018   18:10:41   (  -0.17,-135.32) (  -1.12,-131.01)  490.87                80
 07/07/2018   06:32:19   (   0.14,-135.33) (   0.07,-135.60)   31.21                80
 07/09/2018   18:27:50   (  -0.14,-135.40) (  -0.19,-135.17)   25.79                80
 07/11/2018   06:49:28   (   0.11,-135.39) (  -0.86,-139.76)  497.78                80
 07/12/2018   06:26:09   (   0.13,-135.40) (   0.29,-134.77)   72.06                80
 07/13/2018   18:47:39   (  -0.10,-135.44) (   0.74,-139.33)  442.82                80
 07/14/2018   18:24:18   (  -0.13,-135.45) (  -0.36,-134.33)  126.54                80
 07/16/2018   06:45:57   (   0.10,-135.43) (  -0.69,-138.92)  398.16                80
 07/17/2018   06:22:37   (   0.13,-135.44) (   0.47,-133.94)  171.14                80