Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 22.  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)
 11/23/2017   18:46:18   (  -0.19,-135.11) (   0.73,-139.26)  472.96                80
 11/24/2017   18:28:18   (  -0.19,-135.13) (  -0.36,-134.26)   99.16                80
 11/26/2017   06:47:20   (   0.18,-135.22) (  -0.63,-138.86)  415.41                80
 11/27/2017   06:24:00   (   0.18,-135.24) (   0.47,-133.87)  155.63                80
 11/28/2017   18:42:51   (  -0.17,-135.22) (   0.57,-138.42)  365.49                80
 11/29/2017   18:24:53   (  -0.18,-135.24) (  -0.59,-133.44)  205.91                80
 12/01/2017   06:43:53   (   0.17,-135.32) (  -0.45,-138.03)  309.22                80
 12/02/2017   06:20:34   (   0.17,-135.33) (   0.66,-133.04)  260.96                80
 12/03/2017   18:39:25   (  -0.16,-135.30) (   0.36,-137.59)  262.19                80
 12/04/2017   18:21:26   (  -0.16,-135.31) (  -0.75,-132.60)  308.20                80
 12/06/2017   06:40:26   (   0.15,-135.38) (  -0.28,-137.19)  207.75                80