Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2013   10:33:19   (   0.04,-135.00) (  -0.07,-134.40)   68.12                80
 04/18/2013   10:22:34   (   0.04,-135.03) (  -0.66,-131.80)  368.50                80
 04/20/2013   22:45:56   (  -0.04,-135.11) (  -0.60,-137.43)  265.42                80
 04/21/2013   22:37:51   (  -0.04,-135.13) (   0.04,-134.83)   34.56                80
 04/22/2013   22:27:06   (  -0.05,-135.16) (   0.62,-132.23)  334.29                80
 04/25/2013   10:50:28   (   0.04,-135.23) (   0.61,-137.87)  300.37                80
 04/26/2013   10:39:42   (   0.04,-135.25) (   0.01,-135.26)    3.19                80
 04/27/2013   10:26:17   (   0.04,-135.26) (  -0.58,-132.66)  297.39                80
 04/29/2013   22:49:40   (  -0.03,-135.29) (  -0.72,-138.29)  342.27                80
 04/30/2013   22:38:54   (  -0.03,-135.30) (  -0.13,-135.68)   44.05                80