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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2012   10:28:27   (   0.18,-135.39) (   0.47,-136.62)  140.56                80
 10/17/2012   10:12:23   (   0.20,-135.37) (  -0.56,-132.09)  374.20                80
 10/18/2012   22:31:40   (  -0.17,-135.30) (  -0.64,-137.40)  239.24                80
 10/19/2012   22:15:36   (  -0.18,-135.28) (   0.34,-132.87)  275.24                80
 10/21/2012   10:34:45   (   0.15,-135.30) (   0.81,-138.15)  324.97                80
 10/22/2012   10:18:42   (   0.16,-135.28) (  -0.23,-133.62)  189.11                80
 10/23/2012   22:37:59   (  -0.13,-135.20) (  -0.97,-138.93)  425.41                80
 10/24/2012   22:21:55   (  -0.14,-135.18) (   0.01,-134.40)   88.81                80
 10/27/2012   10:25:00   (   0.12,-135.17) (   0.10,-135.16)    3.32                80