Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2014   22:35:30   (   0.27,-135.46) (   0.17,-136.03)   64.60                80
 08/17/2014   22:19:27   (   0.27,-135.45) (   1.13,-131.50)  450.20                80
 08/19/2014   10:38:38   (  -0.28,-135.42) (   0.03,-136.78)  154.77                80
 08/20/2014   10:22:36   (  -0.28,-135.40) (  -1.00,-132.25)  359.64                80
 08/21/2014   22:41:55   (   0.29,-135.39) (  -0.18,-137.56)  246.46                80
 08/22/2014   22:25:51   (   0.29,-135.38) (   0.79,-133.02)  267.77                80
 08/24/2014   10:45:03   (  -0.29,-135.34) (   0.37,-138.30)  337.80                80
 08/25/2014   10:29:00   (  -0.29,-135.32) (  -0.66,-133.78)  176.17                80
 08/26/2014   22:48:19   (   0.30,-135.30) (  -0.58,-139.07)  430.69                80
 08/27/2014   22:32:16   (   0.29,-135.28) (   0.45,-134.55)   82.99                80