Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 11 20.  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)
 11/21/2016   06:50:03   (   0.21,-135.32) (  -0.78,-139.70)  499.44                80
 11/22/2016   06:26:43   (   0.21,-135.33) (   0.34,-134.71)   71.05                80
 11/23/2016   18:48:14   (  -0.20,-135.36) (   0.66,-139.27)  445.47                80
 11/24/2016   18:26:43   (  -0.21,-135.37) (  -0.46,-134.27)  125.19                28
 11/26/2016   06:46:35   (   0.19,-135.39) (  -0.56,-138.87)  396.32                80
 11/27/2016   06:23:16   (   0.20,-135.39) (   0.56,-133.87)  173.59                80
 11/28/2016   18:44:46   (  -0.19,-135.40) (   0.50,-138.42)  344.30                80
 11/29/2016   18:24:07   (  -0.19,-135.41) (  -0.63,-133.43)  225.60                80
 12/01/2016   06:43:07   (   0.18,-135.41) (  -0.39,-138.02)  296.73                80
 12/02/2016   06:19:47   (   0.18,-135.41) (   0.74,-133.03)  272.36                80
 12/03/2016   18:41:18   (  -0.17,-135.41) (   0.32,-137.57)  247.18                80