Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 12 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)
 12/12/2013   18:28:23   (  -0.16,-135.27) (  -0.21,-135.12)   18.41                80
 12/15/2013   06:26:44   (   0.15,-135.25) (   0.28,-134.72)   61.55                80
 12/16/2013   18:48:15   (  -0.13,-135.18) (   0.80,-139.27)  465.69                80
 12/17/2013   18:24:56   (  -0.14,-135.16) (  -0.36,-134.28)  100.45                80
 12/19/2013   06:46:36   (   0.12,-135.16) (  -0.71,-138.87)  423.21                80
 12/20/2013   06:23:16   (   0.13,-135.13) (   0.39,-133.87)  142.50                80
 12/21/2013   18:44:47   (  -0.10,-135.05) (   0.68,-138.43)  385.71                80
 12/22/2013   18:21:29   (  -0.12,-135.02) (  -0.49,-133.45)  179.92                80
 12/24/2013   06:43:08   (   0.09,-135.01) (  -0.57,-138.03)  344.38                80
 12/25/2013   06:19:49   (   0.11,-134.98) (   0.54,-133.04)  220.71                80