Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2013   10:09:37   (   0.14,-134.97) (  -0.81,-130.65)  491.60                80
 11/01/2013   22:28:54   (  -0.10,-134.95) (  -0.35,-135.96)  115.12                80
 11/02/2013   22:12:50   (  -0.12,-134.98) (   0.66,-131.42)  405.50                80
 11/04/2013   10:31:59   (   0.09,-135.10) (   0.45,-136.70)  182.65                80
 11/05/2013   10:15:55   (   0.11,-135.12) (  -0.56,-132.17)  337.32                80
 11/06/2013   22:35:12   (  -0.07,-135.09) (  -0.59,-137.47)  271.10                80
 11/07/2013   22:19:07   (  -0.09,-135.11) (   0.42,-132.94)  248.42                80
 11/09/2013   10:38:16   (   0.05,-135.22) (   0.74,-138.21)  341.14                80
 11/10/2013   10:22:11   (   0.07,-135.24) (  -0.27,-133.67)  178.17                80
 11/11/2013   22:41:28   (  -0.03,-135.20) (  -0.87,-138.98)  430.86                80
 11/12/2013   22:25:24   (  -0.05,-135.22) (   0.15,-134.45)   88.33                80