Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2012   10:23:43   (   0.06,-134.74) (   0.17,-135.27)   59.81                80
 04/03/2012   10:07:38   (   0.07,-134.70) (  -0.82,-130.73)  451.98                80
 04/04/2012   22:26:53   (  -0.06,-134.65) (  -0.37,-136.03)  157.06                80
 04/05/2012   22:10:48   (  -0.06,-134.61) (   0.63,-131.50)  354.47                80
 04/07/2012   10:29:55   (   0.05,-134.51) (   0.54,-136.77)  257.36                80
 04/08/2012   10:13:50   (   0.06,-134.45) (  -0.46,-132.23)  253.54                80
 04/09/2012   22:33:04   (  -0.05,-134.40) (  -0.77,-137.53)  357.39                80
 04/10/2012   22:16:58   (  -0.05,-134.34) (   0.23,-132.99)  153.32                80
 04/12/2012   10:36:06   (   0.04,-134.23) (   0.91,-138.27)  459.29                80
 04/13/2012   10:19:59   (   0.05,-134.17) (  -0.04,-133.72)   51.15                80