Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/24/2014   10:28:32   (  -0.19,-135.35) (  -0.55,-133.81)  175.71                80
 07/25/2014   22:47:52   (   0.21,-135.39) (  -0.61,-139.12)  424.58                80
 07/26/2014   22:31:48   (   0.20,-135.41) (   0.38,-134.59)   93.80                80
 07/29/2014   10:34:56   (  -0.21,-135.44) (  -0.23,-135.33)   12.72                80
 07/31/2014   22:35:32   (   0.22,-135.49) (   0.06,-136.10)   70.52                80
 08/01/2014   22:19:29   (   0.21,-135.50) (   1.10,-131.58)  447.13                80
 08/03/2014   10:38:40   (  -0.23,-135.50) (   0.09,-136.85)  153.50                80
 08/04/2014   10:22:37   (  -0.23,-135.51) (  -0.95,-132.32)  363.57                80
 08/05/2014   22:41:55   (   0.24,-135.53) (  -0.26,-137.62)  239.18                80
 08/06/2014   22:25:53   (   0.24,-135.53) (   0.79,-133.10)  277.31                80