Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 9 11.  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)
 09/12/2016   18:35:14   (  -0.25,-135.47) (   0.06,-136.89)  160.80                80
 09/13/2016   18:17:15   (  -0.23,-135.48) (  -1.03,-131.89)  409.36                80
 09/15/2016   06:33:36   (   0.26,-135.44) (   0.05,-136.49)  118.64                80
 09/16/2016   06:15:37   (   0.24,-135.44) (   1.14,-131.49)  450.77                80
 09/17/2016   18:31:50   (  -0.27,-135.48) (  -0.16,-136.06)   65.47                80
 09/20/2016   06:30:11   (   0.27,-135.43) (   0.22,-135.65)   24.70                80
 09/22/2016   18:31:05   (  -0.28,-135.44) (  -0.34,-135.22)   25.92                80
 09/25/2016   06:29:25   (   0.28,-135.38) (   0.40,-134.81)   65.26                80