Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 12 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2014   22:35:54   (   0.05,-135.32) (  -0.09,-136.07)   85.03                80
 12/07/2014   22:19:48   (   0.03,-135.33) (   0.88,-131.53)  433.44                80
 12/09/2014   10:38:55   (  -0.06,-135.39) (   0.24,-136.81)  162.04                80
 12/10/2014   10:22:49   (  -0.04,-135.40) (  -0.73,-132.27)  355.87                80
 12/11/2014   22:42:04   (   0.07,-135.38) (  -0.40,-137.59)  251.43                80
 12/12/2014   22:25:58   (   0.06,-135.39) (   0.57,-133.05)  266.50                80
 12/14/2014   10:45:04   (  -0.08,-135.44) (   0.59,-138.32)  329.10                80
 12/15/2014   10:28:58   (  -0.06,-135.45) (  -0.44,-133.80)  188.29                80
 12/16/2014   22:48:13   (   0.08,-135.41) (  -0.74,-139.10)  420.36                80
 12/17/2014   22:32:06   (   0.07,-135.42) (   0.24,-134.56)   96.88                80
 12/19/2014   10:51:13   (  -0.09,-135.46) (   0.92,-139.84)  499.41                80