Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 11 16.  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) (   0.09,-135.22)   42.19                80
 11/19/2014   10:16:50   (   0.03,-134.88) (  -0.91,-130.68)  478.25                80
 11/20/2014   22:36:06   (  -0.00,-134.91) (  -0.22,-136.01)  124.35                80
 11/21/2014   22:20:01   (  -0.02,-134.94) (   0.78,-131.48)  395.96                80
 11/23/2014   10:39:08   (  -0.01,-135.02) (   0.37,-136.76)  197.83                80
 11/24/2014   10:23:02   (   0.01,-135.04) (  -0.64,-132.23)  321.59                80
 11/25/2014   22:42:18   (   0.02,-135.05) (  -0.54,-137.54)  283.10                80
 11/26/2014   22:26:12   (   0.01,-135.08) (   0.47,-133.01)  236.16                80
 11/28/2014   10:45:19   (  -0.03,-135.15) (   0.67,-138.29)  358.35                80
 11/29/2014   10:29:14   (  -0.02,-135.17) (  -0.34,-133.76)  160.36                80