Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 8 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2013   22:33:55   (   0.28,-135.34) (  -0.20,-137.54)  250.87                80
 08/03/2013   22:17:52   (   0.28,-135.33) (   0.80,-133.01)  264.19                80
 08/05/2013   10:37:02   (  -0.29,-135.32) (   0.36,-138.29)  337.57                80
 08/06/2013   10:20:59   (  -0.29,-135.31) (  -0.64,-133.76)  177.10                80
 08/07/2013   22:40:17   (   0.30,-135.27) (  -0.54,-139.06)  432.09                80
 08/08/2013   22:24:14   (   0.30,-135.26) (   0.46,-134.53)   82.42                80
 08/11/2013   10:26:47   (  -0.31,-135.23) (  -0.30,-135.28)    6.02                47
 08/13/2013   22:27:55   (   0.31,-135.15) (   0.13,-136.06)  103.17                80
 08/14/2013   22:11:52   (   0.31,-135.13) (   1.13,-131.53)  410.07                80