Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 11 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2013   10:44:54   (  -0.05,-135.46) (   0.92,-139.75)  488.85                80
 12/01/2013   10:28:52   (  -0.03,-135.45) (  -0.11,-135.22)   26.97                80
 12/03/2013   22:29:27   (   0.04,-135.38) (  -0.08,-136.00)   69.87                80
 12/04/2013   22:13:24   (   0.03,-135.37) (   0.90,-131.46)  445.02                80
 12/06/2013   10:32:35   (  -0.05,-135.39) (   0.25,-136.74)  154.33                80
 12/07/2013   10:16:32   (  -0.04,-135.37) (  -0.73,-132.21)  360.35                80
 12/08/2013   22:35:51   (   0.07,-135.31) (  -0.42,-137.52)  252.45                80
 12/09/2013   22:19:48   (   0.06,-135.29) (   0.56,-132.99)  262.01                80
 12/11/2013   10:38:59   (  -0.08,-135.30) (   0.58,-138.27)  337.98                80
 12/12/2013   10:22:55   (  -0.07,-135.28) (  -0.41,-133.73)  176.37                80