Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 12 11.  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)
 12/13/2013   10:52:33   (  -0.10,-135.29) (   0.36,-137.44)  243.72                80
 12/14/2013   10:44:20   (  -0.09,-135.27) (  -0.22,-134.80)   54.60                80
 12/15/2013   10:33:28   (  -0.08,-135.25) (  -0.80,-132.16)  352.75                80
 12/17/2013   22:53:50   (   0.10,-135.16) (  -0.46,-137.71)  290.48                80
 12/18/2013   22:45:38   (   0.10,-135.13) (   0.13,-135.07)    7.53                80
 12/19/2013   22:34:45   (   0.09,-135.10) (   0.73,-132.44)  304.82                80
 12/22/2013   10:55:10   (  -0.11,-135.06) (   0.53,-137.99)  333.12                80
 12/23/2013   10:44:17   (  -0.11,-135.03) (  -0.02,-135.34)   35.85                80
 12/24/2013   10:36:04   (  -0.11,-135.00) (  -0.63,-132.71)  261.35                80