Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2012 12 22.  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)
 12/24/2012   10:50:27   (  -0.10,-135.49) (   0.76,-139.13)  416.44                80
 12/25/2012   10:39:44   (  -0.09,-135.49) (   0.17,-136.54)  121.27                80
 12/26/2012   10:31:42   (  -0.09,-135.48) (  -0.42,-133.96)  173.79                80
 12/27/2012   10:20:59   (  -0.08,-135.48) (  -1.00,-131.37)  468.63                80
 12/28/2012   22:52:35   (   0.10,-135.44) (  -0.84,-139.64)  478.49                80
 12/29/2012   22:41:52   (   0.09,-135.43) (  -0.27,-137.04)  183.96                80
 12/30/2012   22:33:50   (   0.09,-135.42) (   0.30,-134.45)  110.38                80
 12/31/2012   22:23:07   (   0.09,-135.41) (   0.88,-131.86)  404.63                80
 01/03/2013   10:43:53   (  -0.10,-135.41) (   0.36,-137.52)  239.64                80
 01/04/2013   10:35:50   (  -0.10,-135.40) (  -0.23,-134.93)   54.16                80