Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 23.  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)
 11/24/2017   18:28:19   (  -0.19,-135.14) (  -0.40,-134.27)   98.98                80
 11/26/2017   06:47:21   (   0.18,-135.22) (  -0.64,-138.87)  415.96                80
 11/27/2017   06:24:02   (   0.18,-135.24) (   0.49,-133.88)  154.82                80
 11/28/2017   18:42:55   (  -0.17,-135.22) (   0.54,-138.44)  366.64                80
 11/29/2017   18:24:56   (  -0.18,-135.24) (  -0.58,-133.45)  204.40                80
 12/01/2017   06:43:58   (   0.17,-135.32) (  -0.44,-138.06)  311.45                80
 12/02/2017   06:20:40   (   0.17,-135.33) (   0.67,-133.06)  258.24                80
 12/03/2017   18:39:33   (  -0.16,-135.30) (   0.33,-137.63)  265.61                80
 12/04/2017   18:21:35   (  -0.16,-135.31) (  -0.77,-132.64)  304.22                80
 12/06/2017   06:40:37   (   0.15,-135.38) (  -0.28,-137.24)  212.79                80
 12/07/2017   06:17:20   (   0.15,-135.38) (   0.87,-132.26)  355.93                80