Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2016   10:27:59   (   0.03,-135.06) (   0.06,-135.08)    4.07                80
 03/30/2016   22:28:32   (  -0.03,-135.12) (  -0.23,-135.86)   85.14                80
 03/31/2016   22:12:29   (  -0.03,-135.15) (   0.83,-131.34)  433.72                80
 04/02/2016   10:34:17   (   0.03,-135.19) (   0.35,-136.62)  162.94                80
 04/03/2016   10:12:53   (   0.03,-135.21) (  -0.65,-132.09)  355.16                80
 04/04/2016   22:34:50   (  -0.04,-135.23) (  -0.51,-137.40)  247.38                80
 04/05/2016   22:18:45   (  -0.04,-135.25) (   0.50,-132.87)  270.66                80
 04/07/2016   10:40:34   (   0.04,-135.28) (   0.69,-138.14)  326.78                80
 04/08/2016   10:19:09   (   0.03,-135.29) (  -0.32,-133.61)  190.55                80