Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2014   10:39:47   (   0.37,-134.54) (   0.81,-136.64)  238.50                27
 09/05/2014   10:20:11   (   0.37,-134.47) (  -0.17,-132.10)  270.16                80
 09/06/2014   22:42:09   (  -0.36,-134.40) (  -1.06,-137.40)  342.46                80
 09/07/2014   22:26:07   (  -0.36,-134.33) (  -0.02,-132.88)  166.40                80
 09/09/2014   10:45:16   (   0.34,-134.19) (   1.26,-138.14)  449.89                80
 09/10/2014   10:29:14   (   0.35,-134.12) (   0.22,-133.61)   58.44                80
 09/12/2014   22:29:48   (  -0.34,-133.96) (  -0.46,-134.37)   47.45                80
 09/13/2014   22:13:46   (  -0.35,-133.89) (   0.58,-129.85)  460.90                80
 09/15/2014   10:32:55   (   0.33,-133.74) (   0.65,-135.11)  156.12                80
 09/16/2014   10:16:52   (   0.34,-133.66) (  -0.34,-130.58)  351.45                80