Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2014   10:45:03   (  -0.29,-135.35) (   0.36,-138.30)  335.89                80
 08/25/2014   10:29:00   (  -0.29,-135.33) (  -0.67,-133.78)  178.20                80
 08/26/2014   22:48:18   (   0.29,-135.32) (  -0.56,-139.07)  428.57                80
 08/27/2014   22:32:16   (   0.29,-135.29) (   0.47,-134.55)   85.23                80
 08/30/2014   10:35:24   (  -0.30,-135.22) (  -0.30,-135.29)    7.88                80
 09/01/2014   22:36:00   (   0.30,-135.16) (   0.11,-136.07)  102.93                80
 09/02/2014   22:19:56   (   0.30,-135.13) (   1.08,-131.53)  409.59                80
 09/04/2014   10:41:46   (  -0.31,-135.07) (   0.11,-136.80)  198.21                80
 09/05/2014   10:20:24   (  -0.31,-135.03) (  -0.93,-132.28)  313.79                80