Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 9 21.  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)
 09/21/2013   18:27:54   (  -0.36,-135.48) (  -0.63,-134.36)  128.53                80
 09/23/2013   06:46:55   (   0.37,-135.45) (  -0.38,-138.96)  399.14                80
 09/24/2013   06:26:16   (   0.36,-135.44) (   0.70,-133.96)  168.81                80
 09/25/2013   18:42:28   (  -0.37,-135.44) (   0.32,-138.52)  351.70                80
 09/26/2013   18:24:28   (  -0.36,-135.42) (  -0.77,-133.52)  216.41                80
 09/28/2013   06:43:30   (   0.37,-135.39) (  -0.25,-138.12)  311.63                80
 09/29/2013   06:20:10   (   0.36,-135.37) (   0.83,-133.12)  255.62                80
 09/30/2013   18:39:03   (  -0.37,-135.36) (   0.17,-137.69)  266.29                80
 10/01/2013   18:21:04   (  -0.36,-135.34) (  -0.97,-132.70)  301.17                80
 10/03/2013   06:40:05   (   0.37,-135.30) (  -0.04,-137.30)  227.21                80
 10/04/2013   06:16:46   (   0.37,-135.28) (   1.04,-132.30)  339.30                80