Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 12 9.  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)
 12/09/2013   22:42:59   (   0.08,-135.31) (   0.26,-134.51)   92.10                80
 12/10/2013   22:32:06   (   0.07,-135.30) (   0.84,-131.87)  390.67                80
 12/13/2013   10:52:32   (  -0.10,-135.29) (   0.40,-137.43)  244.56                80
 12/14/2013   10:44:19   (  -0.09,-135.26) (  -0.18,-134.79)   53.67                80
 12/15/2013   10:33:27   (  -0.08,-135.24) (  -0.76,-132.15)  351.77                80
 12/17/2013   22:53:50   (   0.10,-135.15) (  -0.50,-137.70)  291.56                80
 12/18/2013   22:42:57   (   0.10,-135.12) (   0.09,-135.06)    6.35                80
 12/19/2013   22:34:45   (   0.09,-135.09) (   0.69,-132.43)  303.64                80
 12/22/2013   10:55:10   (  -0.11,-135.05) (   0.56,-137.98)  334.49                80