Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 11 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)
 11/12/2014   10:45:27   (   0.03,-134.60) (   0.82,-138.21)  411.97                80
 11/13/2014   10:29:21   (   0.04,-134.55) (  -0.16,-133.67)   99.67                80
 11/15/2014   22:31:56   (  -0.02,-134.42) (  -0.02,-134.45)    3.26                44
 11/18/2014   10:32:54   (   0.01,-134.31) (   0.21,-135.18)   99.05                80
 11/19/2014   10:16:49   (   0.03,-134.26) (  -0.77,-130.64)  411.92                80
 11/20/2014   22:36:05   (   0.00,-134.16) (  -0.37,-135.96)  204.31                80
 11/21/2014   22:19:58   (  -0.01,-134.10) (   0.56,-131.41)  306.69                80
 11/23/2014   10:39:07   (  -0.01,-134.04) (   0.56,-136.69)  301.69                80
 11/24/2014   10:23:01   (   0.00,-133.98) (  -0.43,-132.16)  208.29                80
 11/25/2014   22:42:17   (   0.02,-133.85) (  -0.76,-137.46)  410.44                80