Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2014   22:41:27   (   0.18,-135.29) (  -0.36,-137.59)  263.04                80
 07/21/2014   22:25:24   (   0.18,-135.31) (   0.68,-133.07)  255.98                80
 07/23/2014   10:44:35   (  -0.20,-135.34) (   0.45,-138.35)  342.14                80
 07/24/2014   10:28:32   (  -0.19,-135.36) (  -0.53,-133.81)  176.59                80
 07/25/2014   22:47:51   (   0.21,-135.40) (  -0.63,-139.12)  423.74                80
 07/26/2014   22:31:49   (   0.20,-135.42) (   0.41,-134.60)   94.79                80
 07/29/2014   10:34:57   (  -0.21,-135.46) (  -0.26,-135.34)   14.43                80
 07/31/2014   22:35:32   (   0.22,-135.51) (   0.09,-136.11)   68.86                80
 08/01/2014   22:19:30   (   0.21,-135.52) (   1.13,-131.59)  448.89                80