Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 3 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)
 03/17/2012   10:23:48   (   0.06,-135.26) (   0.06,-135.27)    1.19                80
 03/19/2012   22:26:59   (  -0.06,-135.24) (  -0.24,-136.04)   91.73                80
 03/20/2012   22:10:55   (  -0.06,-135.22) (   0.79,-131.52)  422.55                80
 03/22/2012   10:32:42   (   0.06,-135.16) (   0.41,-136.79)  184.82                80
 03/23/2012   10:11:16   (   0.06,-135.14) (  -0.57,-132.25)  329.06                80
 03/24/2012   22:33:12   (  -0.06,-135.13) (  -0.63,-137.55)  276.89                80
 03/25/2012   22:17:07   (  -0.06,-135.10) (   0.42,-133.03)  236.77                80
 03/27/2012   10:36:15   (   0.06,-135.03) (   0.78,-138.30)  371.51                80
 03/28/2012   10:20:09   (   0.06,-135.00) (  -0.21,-133.76)  141.57                80