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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2014   10:44:31   (  -0.25,-135.50) (   0.38,-138.25)  314.08                80
 08/09/2014   10:28:25   (  -0.25,-135.49) (  -0.65,-133.71)  203.41                80
 08/10/2014   22:47:38   (   0.26,-135.49) (  -0.51,-138.99)  398.46                80
 08/11/2014   22:31:31   (   0.26,-135.49) (   0.46,-134.44)  118.89                80
 08/13/2014   10:50:36   (  -0.26,-135.47) (   0.67,-139.70)  481.83                80
 08/14/2014   10:34:29   (  -0.26,-135.46) (  -0.36,-135.16)   35.37                80
 08/16/2014   22:34:55   (   0.27,-135.45) (   0.18,-135.89)   50.65                80
 08/17/2014   22:18:48   (   0.27,-135.43) (   1.16,-131.34)  465.95                80
 08/19/2014   10:37:53   (  -0.28,-135.40) (  -0.03,-136.60)  135.85                80
 08/20/2014   10:21:46   (  -0.28,-135.39) (  -1.01,-132.04)  380.40                80
 08/21/2014   22:40:59   (   0.29,-135.37) (  -0.14,-137.33)  223.26                80