Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/22/2014   22:25:51   (   0.29,-135.39) (   0.80,-133.02)  269.36                80
 08/24/2014   10:45:03   (  -0.29,-135.35) (   0.35,-138.30)  335.92                80
 08/25/2014   10:28:59   (  -0.29,-135.33) (  -0.62,-133.77)  178.17                80
 08/26/2014   22:48:19   (   0.29,-135.32) (  -0.55,-139.07)  428.61                80
 08/27/2014   22:32:16   (   0.29,-135.29) (   0.48,-134.55)   85.20                80
 08/30/2014   10:35:24   (  -0.30,-135.22) (  -0.31,-135.30)    8.18                80
 09/01/2014   22:36:00   (   0.30,-135.16) (   0.11,-136.07)  103.01                80
 09/02/2014   22:19:56   (   0.30,-135.13) (   1.09,-131.53)  409.51                80
 09/04/2014   10:41:47   (  -0.31,-135.07) (   0.11,-136.80)  198.30                80