Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 2 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)
 02/24/2013   22:13:48   (   0.03,-135.27) (   0.55,-133.01)  258.25                80
 02/26/2013   10:38:17   (  -0.02,-135.35) (   0.62,-138.28)  334.27                80
 02/27/2013   10:16:53   (  -0.03,-135.36) (  -0.41,-133.76)  183.23                80
 02/28/2013   22:41:31   (   0.02,-135.32) (  -0.80,-139.06)  425.49                80
 03/01/2013   22:20:07   (   0.03,-135.33) (   0.23,-134.54)   91.57                80
 03/04/2013   10:23:12   (  -0.02,-135.40) (  -0.05,-135.28)   14.08                80
 03/06/2013   22:29:05   (   0.01,-135.35) (  -0.16,-136.04)   79.66                80
 03/07/2013   22:07:41   (   0.01,-135.35) (   0.89,-131.52)  436.53                80
 03/09/2013   10:32:10   (  -0.00,-135.40) (   0.32,-136.79)  158.60                80