Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2011 12 21.  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)
 12/22/2011   10:38:33   (  -0.04,-134.71) (   0.47,-136.93)  253.45                80
 12/23/2011   10:30:40   (  -0.04,-134.73) (  -0.09,-134.39)   38.18                80
 12/24/2011   10:20:09   (  -0.03,-134.74) (  -0.71,-131.85)  329.52                80
 12/26/2011   22:41:30   (   0.04,-134.72) (  -0.60,-137.66)  334.21                80
 12/27/2011   22:30:58   (   0.04,-134.73) (  -0.06,-135.11)   43.23                80
 12/28/2011   22:23:06   (   0.04,-134.74) (   0.55,-132.57)  247.74                80
 12/31/2011   10:44:14   (  -0.05,-134.79) (   0.75,-138.32)  402.12                80
 01/01/2012   10:33:42   (  -0.04,-134.80) (   0.19,-135.77)  111.29                80
 01/02/2012   10:25:49   (  -0.04,-134.80) (  -0.37,-133.22)  179.40                80
 01/03/2012   10:15:18   (  -0.04,-134.80) (  -0.99,-130.69)  469.89                80