Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2014   22:19:22   (   0.21,-135.49) (   1.10,-131.55)  448.79                80
 08/03/2014   10:38:27   (  -0.23,-135.49) (   0.04,-136.81)  150.09                80
 08/04/2014   10:22:20   (  -0.22,-135.49) (  -0.92,-132.25)  368.38                80
 08/05/2014   22:41:33   (   0.24,-135.51) (  -0.24,-137.54)  232.09                80
 08/06/2014   22:25:26   (   0.24,-135.51) (   0.78,-133.00)  285.79                80
 08/08/2014   10:44:32   (  -0.25,-135.49) (   0.36,-138.25)  314.70                80
 08/09/2014   10:28:25   (  -0.25,-135.49) (  -0.67,-133.71)  202.80                80
 08/10/2014   22:47:38   (   0.26,-135.50) (  -0.55,-138.99)  398.74                80
 08/11/2014   22:31:31   (   0.26,-135.49) (   0.48,-134.45)  118.55                80
 08/13/2014   10:50:36   (  -0.27,-135.46) (   0.66,-139.70)  482.62                80
 08/14/2014   10:34:29   (  -0.26,-135.46) (  -0.32,-135.15)   34.46                80