Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2014   10:43:01   (  -0.08,-135.37) (   0.55,-138.29)  332.13                80
 02/14/2014   10:21:37   (  -0.08,-135.37) (  -0.47,-133.76)  183.69                80
 02/15/2014   22:43:35   (   0.08,-135.36) (  -0.77,-139.05)  420.56                80
 02/16/2014   22:27:31   (   0.08,-135.36) (   0.26,-134.52)   95.12                80
 02/19/2014   10:27:56   (  -0.08,-135.32) (  -0.07,-135.25)    8.21                80
 02/21/2014   22:31:10   (   0.07,-135.29) (  -0.11,-136.01)   83.25                80
 02/22/2014   22:15:06   (   0.07,-135.27) (   0.92,-131.49)  431.34                80
 02/24/2014   10:36:55   (  -0.06,-135.23) (   0.29,-136.74)  172.63                80
 02/25/2014   10:15:31   (  -0.06,-135.21) (  -0.75,-132.22)  341.31                80