Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2017   18:20:45   (  -0.13,-135.39) (  -0.58,-133.40)  226.88                80
 12/13/2017   06:39:44   (   0.12,-135.44) (  -0.48,-137.99)  291.78                80
 12/14/2017   06:16:24   (   0.13,-135.44) (   0.69,-133.01)  277.19                80
 12/15/2017   18:35:14   (  -0.12,-135.40) (   0.37,-137.56)  246.89                80
 12/16/2017   18:17:13   (  -0.12,-135.40) (  -0.75,-132.57)  322.26                80
 12/18/2017   06:36:12   (   0.11,-135.44) (  -0.25,-137.17)  196.97                80
 12/19/2017   06:12:52   (   0.11,-135.43) (   0.86,-132.18)  371.31                80
 12/20/2017   18:31:41   (  -0.10,-135.37) (   0.20,-136.73)  154.42                80
 12/21/2017   18:13:41   (  -0.10,-135.37) (  -0.91,-131.73)  414.02                80
 12/23/2017   06:32:39   (   0.09,-135.40) (  -0.13,-136.33)  105.69                80
 12/24/2017   06:09:19   (   0.09,-135.39) (   0.98,-131.33)  461.94                80