Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 3 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2016   22:37:44   (   0.01,-135.02) (  -0.54,-137.40)  272.14                80
 03/04/2016   22:16:18   (   0.01,-134.99) (   0.47,-132.87)  241.15                80
 03/06/2016   10:40:44   (  -0.01,-134.96) (   0.71,-138.13)  362.29                80
 03/07/2016   10:19:19   (  -0.01,-134.92) (  -0.30,-133.60)  150.60                80
 03/08/2016   22:43:54   (   0.01,-134.85) (  -0.89,-138.90)  461.49                80
 03/09/2016   22:22:29   (   0.01,-134.81) (   0.13,-134.37)   51.01                80
 03/12/2016   10:28:09   (  -0.01,-134.73) (   0.09,-135.09)   41.63                80
 03/13/2016   10:09:23   (  -0.01,-134.69) (  -0.92,-130.56)  470.45                80
 03/14/2016   22:31:18   (   0.01,-134.60) (  -0.26,-135.86)  142.89                80
 03/15/2016   22:09:53   (   0.01,-134.56) (   0.76,-131.33)  368.81                80
 03/17/2016   10:31:38   (  -0.00,-134.50) (   0.48,-136.58)  237.17                80