Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2014   10:23:37   (  -0.12,-134.96) (  -0.38,-133.75)  137.31                80
 01/14/2014   22:42:56   (   0.12,-135.01) (  -0.79,-139.05)  460.94                80
 01/15/2014   22:26:52   (   0.12,-135.05) (   0.23,-134.53)   59.27                80
 01/18/2014   10:29:58   (  -0.12,-135.12) (  -0.09,-135.27)   16.38                80
 01/20/2014   22:30:33   (   0.12,-135.20) (  -0.05,-136.04)   96.08                80
 01/21/2014   22:14:30   (   0.12,-135.22) (   0.98,-131.51)  423.40                80
 01/23/2014   10:36:18   (  -0.12,-135.26) (   0.24,-136.77)  173.14                80
 01/24/2014   10:14:54   (  -0.12,-135.28) (  -0.79,-132.24)  345.71                80
 01/25/2014   22:36:53   (   0.12,-135.31) (  -0.37,-137.55)  255.29                80