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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2014   22:39:02   (  -0.02,-135.42) (  -0.48,-137.61)  248.78                80
 04/16/2014   22:23:00   (  -0.01,-135.42) (   0.54,-133.09)  267.25                80
 04/18/2014   10:44:50   (   0.01,-135.43) (   0.68,-138.35)  333.39                80
 04/19/2014   10:23:27   (   0.01,-135.42) (  -0.34,-133.82)  181.90                80
 04/20/2014   22:45:27   (  -0.02,-135.40) (  -0.85,-139.13)  424.78                80
 04/21/2014   22:29:24   (  -0.02,-135.39) (   0.18,-134.60)   90.38                80
 04/24/2014   10:29:52   (   0.02,-135.37) (   0.00,-135.34)    3.88                80
 04/26/2014   22:33:08   (  -0.02,-135.33) (  -0.21,-136.11)   89.36                80
 04/27/2014   22:17:05   (  -0.01,-135.32) (   0.82,-131.59)  425.21                80