Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 4 8.  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)
 04/09/2015   18:36:24   (   0.00,-134.90) (   0.41,-136.80)  216.11                80
 04/10/2015   18:18:23   (   0.00,-134.94) (  -0.68,-131.80)  356.99                80
 04/12/2015   06:37:22   (   0.00,-134.98) (  -0.34,-136.40)  162.14                80
 04/13/2015   06:14:03   (  -0.00,-135.01) (   0.82,-131.41)  410.26                80
 04/14/2015   18:32:53   (  -0.00,-135.05) (   0.21,-135.97)  104.32                80
 04/15/2015   18:14:54   (   0.00,-135.08) (  -0.94,-130.98)  468.21                80
 04/17/2015   06:33:52   (   0.00,-135.12) (  -0.11,-135.56)   51.30                80
 04/19/2015   18:32:03   (  -0.00,-135.17) (  -0.02,-135.14)    4.95                80
 04/22/2015   06:27:41   (   0.00,-135.23) (   0.09,-134.73)   56.60                80