Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 12 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2014   10:35:25   (  -0.04,-135.31) (  -0.05,-135.29)    2.48                80
 12/06/2014   22:35:54   (   0.05,-135.32) (  -0.13,-136.06)   85.16                80
 12/07/2014   22:19:48   (   0.03,-135.33) (   0.90,-131.53)  433.26                80
 12/09/2014   10:38:55   (  -0.06,-135.39) (   0.27,-136.81)  162.13                80
 12/10/2014   10:22:49   (  -0.04,-135.40) (  -0.76,-132.28)  355.79                80
 12/11/2014   22:42:03   (   0.07,-135.38) (  -0.43,-137.58)  251.51                80
 12/12/2014   22:25:57   (   0.06,-135.39) (   0.55,-133.04)  266.44                80
 12/14/2014   10:45:04   (  -0.08,-135.44) (   0.55,-138.33)  329.10                80
 12/15/2014   10:28:58   (  -0.06,-135.45) (  -0.43,-133.79)  188.31                80