Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 3 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2013   10:20:07   (   0.01,-135.07) (  -0.25,-133.81)  142.83                80
 04/01/2013   22:42:04   (  -0.01,-134.99) (  -0.94,-139.11)  470.43                80
 04/02/2013   22:20:41   (  -0.01,-134.95) (   0.09,-134.59)   41.75                80
 04/05/2013   10:23:45   (   0.01,-134.88) (   0.12,-135.32)   50.39                80
 04/06/2013   10:07:42   (   0.01,-134.84) (  -0.91,-130.80)  461.66                80
 04/07/2013   22:29:38   (  -0.01,-134.76) (  -0.33,-136.09)  152.14                80
 04/08/2013   22:08:15   (  -0.01,-134.72) (   0.70,-131.56)  359.62                80
 04/10/2013   10:30:04   (   0.01,-134.68) (   0.47,-136.84)  245.41                80
 04/11/2013   10:14:00   (   0.01,-134.64) (  -0.50,-132.30)  266.14                80
 04/12/2013   22:35:57   (  -0.01,-134.54) (  -0.68,-137.60)  348.41                80