Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2013   10:15:37   (   0.29,-135.27) (  -0.42,-132.19)  351.07                80
 10/05/2013   22:34:54   (  -0.26,-135.18) (  -0.79,-137.49)  264.04                80
 10/06/2013   22:18:51   (  -0.27,-135.15) (   0.25,-132.97)  249.73                80
 10/08/2013   10:37:59   (   0.24,-135.15) (   0.94,-138.23)  350.78                80
 10/09/2013   10:21:54   (   0.26,-135.12) (  -0.04,-133.69)  162.10                80
 10/10/2013   22:41:13   (  -0.22,-135.01) (  -1.11,-139.00)  455.34                80
 10/11/2013   22:25:08   (  -0.23,-134.97) (  -0.13,-134.46)   57.34                80
 10/14/2013   10:25:33   (   0.22,-134.93) (   0.27,-135.20)   31.55                80
 10/15/2013   10:09:29   (   0.23,-134.88) (  -0.71,-130.67)  480.73                80
 10/16/2013   22:28:46   (  -0.20,-134.76) (  -0.49,-135.97)  137.58                80