Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 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)
 09/11/2013   18:32:01   (  -0.33,-135.49) (  -0.20,-135.99)   58.16                80
 09/14/2013   06:33:04   (   0.34,-135.46) (   0.32,-135.61)   16.59                80
 09/16/2013   18:31:17   (  -0.34,-135.47) (  -0.42,-135.18)   33.54                80
 09/18/2013   06:50:19   (   0.37,-135.45) (  -0.59,-139.78)  493.53                80
 09/19/2013   06:28:42   (   0.35,-135.44) (   0.48,-134.78)   74.82                23
 09/20/2013   18:45:53   (  -0.37,-135.44) (   0.49,-139.35)  445.28                80
 09/21/2013   18:27:53   (  -0.36,-135.43) (  -0.59,-134.35)  123.37                80
 09/23/2013   06:46:54   (   0.37,-135.41) (  -0.42,-138.95)  403.79                80
 09/24/2013   06:23:35   (   0.36,-135.39) (   0.65,-133.95)  163.94                80