Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 9 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)
 09/20/2013   18:45:53   (  -0.37,-135.48) (   0.48,-139.35)  440.28                80
 09/21/2013   18:27:53   (  -0.36,-135.48) (  -0.60,-134.35)  128.52                80
 09/23/2013   06:46:55   (   0.37,-135.45) (  -0.41,-138.95)  399.12                80
 09/24/2013   06:26:15   (   0.36,-135.44) (   0.67,-133.95)  168.83                80
 09/25/2013   18:42:28   (  -0.37,-135.44) (   0.29,-138.53)  351.71                80
 09/26/2013   18:24:29   (  -0.36,-135.43) (  -0.79,-133.53)  216.40                80
 09/28/2013   06:43:30   (   0.37,-135.39) (  -0.23,-138.13)  311.64                80
 09/29/2013   06:20:11   (   0.36,-135.37) (   0.86,-133.13)  255.59                80
 09/30/2013   18:39:03   (  -0.37,-135.36) (   0.15,-137.69)  266.30                80
 10/01/2013   18:21:04   (  -0.36,-135.34) (  -0.93,-132.69)  301.14                80
 10/03/2013   06:40:05   (   0.37,-135.30) (  -0.08,-137.29)  227.23                80
 10/04/2013   06:16:45   (   0.37,-135.28) (   1.00,-132.29)  339.28                80