Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2011 12 20.  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   10:38:32   (  -0.04,-134.71) (   0.49,-136.93)  253.55                80
 12/23/2011   10:30:41   (  -0.04,-134.72) (  -0.13,-134.40)   38.04                80
 12/24/2011   10:20:08   (  -0.03,-134.74) (  -0.69,-131.85)  329.41                80
 12/26/2011   22:41:30   (   0.04,-134.72) (  -0.62,-137.65)  334.28                80
 12/27/2011   22:30:58   (   0.04,-134.73) (  -0.07,-135.10)   43.39                80
 12/28/2011   22:23:06   (   0.04,-134.74) (   0.53,-132.57)  247.65                80
 12/31/2011   10:44:14   (  -0.05,-134.79) (   0.77,-138.31)  402.27                80
 01/01/2012   10:33:43   (  -0.04,-134.80) (   0.15,-135.78)  111.48                80
 01/02/2012   10:25:50   (  -0.04,-134.80) (  -0.41,-133.23)  179.22                80
 01/03/2012   10:15:18   (  -0.04,-134.80) (  -0.97,-130.68)  469.72                80