Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2014   22:40:57   (   0.12,-135.37) (  -0.38,-137.58)  252.14                80
 07/05/2014   22:24:55   (   0.11,-135.35) (   0.65,-133.05)  262.33                80
 07/07/2014   10:44:05   (  -0.13,-135.31) (   0.54,-138.32)  342.42                80
 07/08/2014   10:28:03   (  -0.13,-135.29) (  -0.49,-133.79)  171.47                80
 07/09/2014   22:47:22   (   0.14,-135.26) (  -0.69,-139.10)  437.24                80
 07/10/2014   22:31:19   (   0.14,-135.23) (   0.29,-134.56)   76.14                80
 07/13/2014   10:31:46   (  -0.15,-135.15) (  -0.13,-135.30)   17.09                80
 07/14/2014   10:15:43   (  -0.14,-135.12) (  -1.11,-130.77)  495.89                80
 07/15/2014   22:35:02   (   0.16,-135.07) (  -0.06,-136.07)  113.92                80
 07/16/2014   22:18:59   (   0.15,-135.04) (   0.92,-131.54)  398.88                80
 07/18/2014   10:38:09   (  -0.17,-134.98) (   0.27,-136.80)  208.19                80