Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 11 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2014   10:32:55   (   0.01,-134.84) (   0.12,-135.21)   42.31                80
 11/19/2014   10:16:50   (   0.03,-134.88) (  -0.94,-130.69)  478.26                80
 11/20/2014   22:36:06   (  -0.00,-134.91) (  -0.25,-136.00)  123.97                80
 11/21/2014   22:20:00   (  -0.02,-134.95) (   0.75,-131.47)  396.32                80
 11/23/2014   10:39:07   (  -0.01,-135.02) (   0.40,-136.75)  197.77                80
 11/24/2014   10:23:02   (   0.01,-135.04) (  -0.61,-132.22)  321.68                80
 11/25/2014   22:42:17   (   0.02,-135.06) (  -0.56,-137.53)  282.67                80
 11/26/2014   22:26:12   (   0.01,-135.08) (   0.45,-133.00)  236.64                80
 11/28/2014   10:45:19   (  -0.03,-135.15) (   0.69,-138.28)  358.15                80
 11/29/2014   10:29:14   (  -0.02,-135.17) (  -0.32,-133.75)  160.61                80
 11/30/2014   22:48:29   (   0.05,-135.16) (  -0.83,-139.07)  445.05                80