Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 2 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2014   10:43:13   (  -0.05,-135.04) (   0.64,-138.24)  364.25                80
 03/02/2014   10:21:49   (  -0.06,-135.01) (  -0.35,-133.70)  149.02                80
 03/03/2014   22:43:46   (   0.05,-134.98) (  -0.83,-139.00)  457.43                80
 03/04/2014   22:27:42   (   0.06,-134.95) (   0.16,-134.46)   55.93                80
 03/07/2014   10:30:46   (  -0.05,-134.85) (   0.04,-135.18)   38.33                80
 03/08/2014   10:09:21   (  -0.05,-134.81) (  -0.96,-130.64)  474.34                80
 03/09/2014   22:31:18   (   0.04,-134.77) (  -0.21,-135.95)  133.28                80
 03/10/2014   22:15:14   (   0.04,-134.74) (   0.79,-131.41)  379.48                80
 03/12/2014   10:37:02   (  -0.03,-134.66) (   0.39,-136.67)  228.24                80
 03/13/2014   10:15:38   (  -0.03,-134.62) (  -0.61,-132.13)  283.95                80