Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2013 4 20.  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)
 04/20/2013   18:13:30   (  -0.05,-135.11) (  -0.97,-131.03)  465.72                80
 04/22/2013   06:32:30   (   0.06,-135.13) (  -0.08,-135.61)   55.46                80
 04/24/2013   18:30:45   (  -0.06,-135.21) (  -0.08,-135.20)    2.94                80
 04/27/2013   06:26:26   (   0.07,-135.24) (   0.18,-134.80)   51.23                80
 04/28/2013   18:45:19   (  -0.07,-135.28) (   0.86,-139.35)  464.41                80
 04/29/2013   18:27:20   (  -0.07,-135.30) (  -0.29,-134.37)  106.12                80
 05/01/2013   06:46:21   (   0.08,-135.30) (  -0.75,-138.96)  417.19                80
 05/02/2013   06:23:02   (   0.08,-135.31) (   0.39,-133.97)  152.99                80
 05/03/2013   18:41:54   (  -0.08,-135.34) (   0.64,-138.53)  363.36                80