Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 2 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/11/2014   22:21:11   (   0.09,-135.40) (   0.61,-133.02)  270.59                80
 02/13/2014   10:43:01   (  -0.09,-135.38) (   0.56,-138.29)  331.09                80
 02/14/2014   10:21:37   (  -0.09,-135.38) (  -0.46,-133.76)  184.75                80
 02/15/2014   22:43:34   (   0.08,-135.38) (  -0.77,-139.05)  419.38                80
 02/16/2014   22:27:31   (   0.08,-135.37) (   0.25,-134.52)   96.40                80
 02/19/2014   10:27:57   (  -0.08,-135.34) (  -0.12,-135.26)    9.55                80
 02/21/2014   22:31:11   (   0.07,-135.30) (  -0.07,-136.03)   81.73                80
 02/22/2014   22:15:06   (   0.07,-135.29) (   0.90,-131.48)  432.91                80
 02/24/2014   10:36:55   (  -0.07,-135.25) (   0.25,-136.75)  171.01                80
 02/25/2014   10:15:31   (  -0.06,-135.22) (  -0.73,-132.21)  342.98                80