Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 1 18.  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)
 01/18/2013   18:17:21   (  -0.00,-134.91) (  -0.71,-131.80)  355.24                80
 01/20/2013   06:36:20   (  -0.01,-134.82) (  -0.33,-136.39)  178.02                80
 01/21/2013   06:13:00   (   0.00,-134.78) (   0.77,-131.39)  386.51                80
 01/22/2013   18:31:49   (   0.01,-134.75) (   0.28,-135.94)  136.32                80
 01/23/2013   18:13:49   (   0.00,-134.71) (  -0.83,-130.95)  428.44                80
 01/25/2013   06:32:47   (  -0.01,-134.61) (  -0.24,-135.53)  105.23                80
 01/26/2013   06:09:27   (  -0.01,-134.57) (   0.88,-130.54)  458.88                80
 01/27/2013   18:28:16   (   0.02,-134.52) (   0.14,-135.09)   65.05                80
 01/28/2013   18:10:14   (   0.02,-134.47) (  -0.94,-130.09)  499.36                80
 01/30/2013   06:29:13   (  -0.03,-134.37) (  -0.10,-134.68)   34.52                80