Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 12 28.  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)
 12/28/2013   22:37:20   (   0.12,-134.73) (   0.52,-132.97)  201.05                80
 12/29/2013   22:26:27   (   0.11,-134.68) (   1.13,-130.33)  496.57                80
 12/31/2013   10:57:43   (  -0.13,-134.63) (   0.75,-138.51)  442.19                80
 01/01/2014   10:46:49   (  -0.12,-134.58) (   0.18,-135.86)  146.98                80
 01/02/2014   10:38:36   (  -0.12,-134.52) (  -0.39,-133.22)  148.09                80
 01/03/2014   10:27:43   (  -0.11,-134.47) (  -1.02,-130.59)  443.06                80
 01/05/2014   22:48:05   (   0.13,-134.31) (  -0.31,-136.12)  207.40                80
 01/06/2014   22:39:53   (   0.13,-134.25) (   0.32,-133.49)   87.26                80
 01/07/2014   22:28:59   (   0.12,-134.19) (   0.89,-130.85)  381.81                80
 01/10/2014   10:49:19   (  -0.13,-134.07) (   0.39,-136.37)  263.01                80