Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 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)
 08/13/2014   10:50:56   (  -0.26,-135.47) (   0.68,-139.78)  490.34                80
 08/14/2014   10:34:53   (  -0.26,-135.47) (  -0.29,-135.24)   25.01                80
 08/16/2014   22:35:30   (   0.27,-135.46) (   0.13,-136.03)   65.32                80
 08/17/2014   22:19:27   (   0.27,-135.44) (   1.16,-131.50)  449.37                80
 08/19/2014   10:38:39   (  -0.28,-135.41) (  -0.00,-136.78)  155.67                80
 08/20/2014   10:22:35   (  -0.28,-135.40) (  -0.97,-132.25)  358.75                80
 08/21/2014   22:41:54   (   0.29,-135.39) (  -0.21,-137.55)  247.39                80
 08/22/2014   22:25:52   (   0.29,-135.37) (   0.82,-133.03)  266.80                80
 08/24/2014   10:45:02   (  -0.29,-135.33) (   0.39,-138.30)  338.82                80
 08/25/2014   10:29:00   (  -0.29,-135.31) (  -0.64,-133.77)  175.12                80