Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 2 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/25/2016   10:25:44   (  -0.03,-135.22) (  -0.08,-135.15)    9.89                80
 02/27/2016   22:31:31   (   0.03,-135.14) (  -0.15,-135.90)   86.46                80
 02/28/2016   22:10:06   (   0.03,-135.12) (   0.89,-131.37)  427.97                80
 03/01/2016   10:34:31   (  -0.03,-135.12) (   0.29,-136.63)  172.26                80
 03/02/2016   10:13:05   (  -0.03,-135.09) (  -0.70,-132.09)  341.75                80
 03/03/2016   22:37:39   (   0.02,-135.01) (  -0.50,-137.39)  270.25                80
 03/04/2016   22:16:13   (   0.02,-134.98) (   0.49,-132.85)  243.32                80
 03/06/2016   10:39:08   (  -0.01,-134.97) (   0.70,-138.11)  358.27                10
 03/07/2016   10:21:52   (  -0.01,-134.93) (  -0.29,-133.57)  154.92                80
 03/08/2016   22:43:46   (   0.01,-134.85) (  -0.90,-138.87)  458.29                80