Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2014   22:25:26   (   0.24,-135.51) (   0.78,-133.00)  285.82                80
 08/08/2014   10:44:32   (  -0.25,-135.49) (   0.36,-138.25)  314.26                80
 08/09/2014   10:28:25   (  -0.25,-135.49) (  -0.67,-133.71)  203.24                80
 08/10/2014   22:47:37   (   0.26,-135.49) (  -0.55,-138.99)  398.69                80
 08/11/2014   22:31:31   (   0.26,-135.49) (   0.48,-134.45)  118.63                80
 08/13/2014   10:50:35   (  -0.26,-135.47) (   0.71,-139.69)  482.09                80
 08/14/2014   10:34:29   (  -0.26,-135.46) (  -0.32,-135.15)   34.98                80
 08/16/2014   22:34:56   (   0.27,-135.44) (   0.20,-135.90)   51.02                80
 08/17/2014   22:18:48   (   0.27,-135.43) (   1.17,-131.34)  465.62                80
 08/19/2014   10:37:53   (  -0.28,-135.40) (  -0.04,-136.60)  136.24                80
 08/20/2014   10:21:46   (  -0.28,-135.38) (  -1.01,-132.05)  380.02                80