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) (  -0.70,-131.79)  355.21                80
 01/20/2013   06:36:20   (  -0.01,-134.82) (  -0.36,-136.39)  178.19                80
 01/21/2013   06:13:01   (   0.00,-134.78) (   0.78,-131.40)  386.19                80
 01/22/2013   18:31:50   (   0.01,-134.75) (   0.30,-135.94)  136.92                80
 01/23/2013   18:13:51   (   0.00,-134.71) (  -0.84,-130.96)  427.68                80
 01/25/2013   06:32:50   (  -0.01,-134.61) (  -0.22,-135.55)  106.33                80
 01/26/2013   06:09:30   (  -0.01,-134.57) (   0.87,-130.55)  457.48                80
 01/27/2013   18:28:20   (   0.02,-134.52) (   0.15,-135.11)   66.88                80
 01/28/2013   18:10:19   (   0.02,-134.47) (  -0.94,-130.11)  497.17                80
 01/30/2013   06:29:19   (  -0.03,-134.37) (  -0.11,-134.70)   37.31                80