Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 6 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)
 06/10/2016   06:43:31   (   0.12,-135.24) (  -0.51,-138.18)  334.12                80
 06/11/2016   06:20:12   (   0.13,-135.27) (   0.60,-133.18)  237.65                80
 06/12/2016   18:41:43   (  -0.13,-135.30) (   0.42,-137.74)  278.71                80
 06/13/2016   18:18:24   (  -0.13,-135.32) (  -0.69,-132.75)  293.05                80
 06/15/2016   06:40:04   (   0.12,-135.37) (  -0.34,-137.34)  225.11                80
 06/16/2016   06:16:45   (   0.13,-135.39) (   0.83,-132.36)  346.10                80
 06/17/2016   18:38:16   (  -0.12,-135.41) (   0.24,-136.91)  171.39                80
 06/18/2016   18:14:57   (  -0.13,-135.43) (  -0.93,-131.93)  399.54                80
 06/20/2016   06:36:38   (   0.12,-135.47) (  -0.10,-136.52)  119.79                80
 06/21/2016   06:13:18   (   0.13,-135.48) (   1.01,-131.53)  450.41                80
 06/22/2016   18:34:49   (  -0.12,-135.49) (  -0.01,-136.09)   68.57                80