Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 4 17.  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)
 04/18/2013   06:12:35   (   0.05,-135.02) (   0.82,-131.45)  406.13                80
 04/19/2013   18:31:28   (  -0.05,-135.08) (   0.17,-136.02)  106.64                80
 04/20/2013   18:13:30   (  -0.05,-135.11) (  -0.97,-131.03)  465.73                80
 04/22/2013   06:32:30   (   0.06,-135.14) (  -0.07,-135.62)   55.24                80
 04/24/2013   18:30:45   (  -0.06,-135.22) (  -0.09,-135.20)    3.75                80
 04/27/2013   06:26:27   (   0.07,-135.25) (   0.20,-134.80)   51.72                80
 04/28/2013   18:45:19   (  -0.07,-135.29) (   0.84,-139.36)  463.99                80
 04/29/2013   18:27:20   (  -0.08,-135.30) (  -0.31,-134.37)  106.61                80