Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 8 10.  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)
 08/10/2013   22:44:30   (   0.31,-135.18) (   0.03,-136.44)  143.60                80
 08/11/2013   22:36:21   (   0.31,-135.16) (   0.61,-133.83)  152.04                80
 08/12/2013   22:25:33   (   0.31,-135.13) (   1.19,-131.21)  447.46                80
 08/14/2013   10:59:37   (  -0.32,-135.09) (   0.64,-139.43)  493.98                80
 08/15/2013   10:46:08   (  -0.32,-135.06) (   0.05,-136.81)  199.21                80
 08/16/2013   10:38:00   (  -0.32,-135.03) (  -0.54,-134.20)   95.46                80
 08/17/2013   10:27:12   (  -0.32,-134.99) (  -1.13,-131.58)  389.89                80
 08/19/2013   22:47:43   (   0.33,-134.90) (  -0.21,-137.16)  258.57                80
 08/20/2013   22:39:35   (   0.33,-134.86) (   0.39,-134.54)   35.83                80
 08/21/2013   22:28:46   (   0.33,-134.82) (   0.99,-131.93)  330.09                80