Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 8 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2013   22:24:22   (  -0.44,-135.10) (  -0.26,-134.41)   79.99                80
 08/27/2013   10:24:48   (   0.44,-135.28) (   0.39,-135.16)   14.08                80
 08/29/2013   22:28:03   (  -0.43,-135.36) (  -0.54,-135.94)   66.26                80
 08/30/2013   22:12:00   (  -0.43,-135.41) (   0.47,-131.41)  455.25                80
 09/01/2013   10:33:50   (   0.41,-135.52) (   0.65,-136.70)  133.21                80
 09/02/2013   10:12:27   (   0.42,-135.56) (  -0.37,-132.17)  387.57                80
 09/03/2013   22:34:25   (  -0.40,-135.58) (  -0.80,-137.48)  215.76                80
 09/04/2013   22:18:21   (  -0.41,-135.62) (   0.22,-132.95)  305.31                80
 09/06/2013   10:40:11   (   0.39,-135.74) (   0.96,-138.22)  283.21                80