Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 2 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2016   22:31:33   (   0.03,-135.15) (  -0.17,-135.90)   87.22                80
 02/28/2016   22:10:09   (   0.03,-135.12) (   0.90,-131.38)  426.91                80
 03/01/2016   10:34:34   (  -0.02,-135.11) (   0.34,-136.64)  174.61                80
 03/02/2016   10:13:08   (  -0.02,-135.08) (  -0.67,-132.10)  339.05                80
 03/03/2016   22:37:44   (   0.02,-135.01) (  -0.53,-137.40)  272.73                80
 03/04/2016   22:16:18   (   0.02,-134.98) (   0.48,-132.87)  240.49                80
 03/06/2016   10:40:45   (  -0.01,-134.96) (   0.69,-138.14)  362.37                80
 03/07/2016   10:19:19   (  -0.01,-134.92) (  -0.32,-133.60)  150.44                80
 03/08/2016   22:43:53   (   0.01,-134.84) (  -0.93,-138.89)  462.54                80
 03/09/2016   22:22:28   (   0.01,-134.80) (   0.09,-134.36)   49.96                80
 03/12/2016   10:25:29   (  -0.01,-134.72) (   0.08,-135.09)   42.17                80