Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/19/2014   10:27:56   (  -0.08,-135.30) (  -0.07,-135.25)    5.33                80
 02/21/2014   22:31:10   (   0.07,-135.25) (  -0.13,-136.01)   88.04                80
 02/22/2014   22:15:06   (   0.07,-135.23) (   0.90,-131.48)  426.29                80
 02/24/2014   10:36:55   (  -0.07,-135.19) (   0.31,-136.74)  177.05                80
 02/25/2014   10:15:31   (  -0.06,-135.17) (  -0.72,-132.21)  336.61                80
 02/26/2014   22:37:29   (   0.06,-135.12) (  -0.49,-137.51)  272.36                80
 02/27/2014   22:21:25   (   0.06,-135.09) (   0.55,-132.98)  241.26                80
 03/01/2014   10:43:13   (  -0.05,-135.06) (   0.66,-138.24)  362.52                80
 03/02/2014   10:21:50   (  -0.05,-135.03) (  -0.37,-133.71)  150.67                80
 03/03/2014   22:43:46   (   0.05,-134.97) (  -0.88,-138.99)  459.31                80
 03/04/2014   22:27:43   (   0.05,-134.94) (   0.16,-134.47)   53.83                80