Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 12 25.  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)
 12/26/2013   22:56:25   (   0.13,-134.82) (  -0.67,-138.24)  390.79                80
 12/27/2013   22:45:33   (   0.12,-134.77) (  -0.06,-135.61)   94.83                80
 12/28/2013   22:37:19   (   0.12,-134.73) (   0.50,-132.96)  200.90                80
 12/29/2013   22:26:27   (   0.11,-134.68) (   1.11,-130.33)  496.41                80
 12/31/2013   10:57:42   (  -0.13,-134.63) (   0.77,-138.50)  442.24                80
 01/01/2014   10:46:49   (  -0.12,-134.58) (   0.20,-135.86)  147.06                80
 01/02/2014   10:38:36   (  -0.12,-134.52) (  -0.43,-133.23)  148.02                80
 01/03/2014   10:27:43   (  -0.11,-134.47) (  -1.01,-130.59)  442.98                80
 01/05/2014   22:48:06   (   0.13,-134.31) (  -0.27,-136.13)  207.61                80
 01/06/2014   22:39:52   (   0.13,-134.25) (   0.30,-133.49)   86.99                80
 01/07/2014   22:28:59   (   0.12,-134.19) (   0.87,-130.84)  381.54                80