Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2012   10:18:33   (   0.25,-135.42) (  -0.15,-133.57)  210.74                80
 10/07/2012   22:37:50   (  -0.22,-135.39) (  -0.98,-138.88)  397.85                80
 10/08/2012   22:21:44   (  -0.23,-135.39) (   0.03,-134.35)  119.16                80
 10/10/2012   10:40:51   (   0.20,-135.42) (   1.16,-139.61)  478.18                80
 10/11/2012   10:24:45   (   0.21,-135.42) (   0.15,-135.08)   38.26                80
 10/13/2012   22:25:15   (  -0.20,-135.36) (  -0.33,-135.84)   55.55                80
 10/14/2012   22:09:09   (  -0.21,-135.35) (   0.68,-131.31)  460.65                80
 10/16/2012   10:28:17   (   0.18,-135.37) (   0.46,-136.58)  138.03                80
 10/17/2012   10:12:11   (   0.20,-135.36) (  -0.55,-132.05)  377.25                80
 10/18/2012   22:31:27   (  -0.17,-135.29) (  -0.63,-137.35)  235.01                80