Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2014 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)
 09/21/2014   06:34:49   (   0.32,-135.14) (   0.01,-136.45)  149.95                80
 09/22/2014   06:16:49   (   0.31,-135.16) (   1.12,-131.45)  422.27                80
 09/23/2014   18:33:03   (  -0.32,-135.24) (  -0.17,-136.03)   89.61                80
 09/24/2014   18:15:03   (  -0.31,-135.26) (  -1.28,-131.03)  482.46                80
 09/26/2014   06:31:23   (   0.33,-135.25) (   0.28,-135.63)   41.90                80
 09/28/2014   18:32:15   (  -0.33,-135.33) (  -0.34,-135.18)   16.59                80
 10/01/2014   06:30:36   (   0.33,-135.32) (   0.45,-134.78)   61.91                80
 10/02/2014   18:46:48   (  -0.34,-135.37) (   0.52,-139.35)  452.76                80
 10/03/2014   18:28:48   (  -0.33,-135.38) (  -0.54,-134.34)  117.63                80