Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 9 13.  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)
 09/15/2016   06:33:36   (   0.26,-135.44) (   0.05,-136.49)  118.53                80
 09/16/2016   06:15:37   (   0.24,-135.44) (   1.14,-131.49)  450.99                80
 09/17/2016   18:31:50   (  -0.27,-135.49) (  -0.17,-136.06)   64.65                80
 09/20/2016   06:30:11   (   0.27,-135.44) (   0.23,-135.65)   24.05                80
 09/22/2016   18:31:05   (  -0.28,-135.46) (  -0.35,-135.22)   27.34                80
 09/25/2016   06:29:26   (   0.28,-135.39) (   0.41,-134.81)   66.45                80
 09/26/2016   18:45:38   (  -0.29,-135.41) (   0.62,-139.37)  452.29                80
 09/27/2016   18:27:39   (  -0.28,-135.40) (  -0.54,-134.38)  116.09                80