Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2015   10:33:36   (   0.22,-134.94) (   0.62,-136.61)  191.46                80
 10/10/2015   10:17:30   (   0.23,-134.91) (  -0.38,-132.08)  321.99                80
 10/11/2015   22:36:46   (  -0.21,-134.88) (  -0.78,-137.39)  287.06                80
 10/12/2015   22:20:41   (  -0.22,-134.85) (   0.21,-132.86)  226.52                80
 10/14/2015   10:39:48   (   0.20,-134.79) (   0.93,-138.14)  380.99                80
 10/15/2015   10:23:43   (   0.21,-134.76) (  -0.07,-133.61)  131.73                80
 10/16/2015   22:42:58   (  -0.18,-134.70) (  -1.15,-138.91)  479.61                80
 10/17/2015   22:26:53   (  -0.19,-134.67) (  -0.15,-134.37)   33.08                80
 10/20/2015   10:27:14   (   0.18,-134.56) (   0.29,-135.12)   63.44                80
 10/21/2015   10:11:09   (   0.19,-134.51) (  -0.71,-130.59)  448.12                80
 10/22/2015   22:30:24   (  -0.16,-134.44) (  -0.49,-135.89)  165.25                80