Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2012   22:37:50   (  -0.22,-135.39) (  -0.98,-138.88)  397.81                80
 10/08/2012   22:21:43   (  -0.23,-135.39) (  -0.02,-134.34)  119.22                80
 10/10/2012   10:40:51   (   0.20,-135.42) (   1.15,-139.61)  478.11                80
 10/11/2012   10:24:45   (   0.21,-135.42) (   0.14,-135.08)   38.30                80
 10/13/2012   22:25:15   (  -0.20,-135.36) (  -0.31,-135.85)   55.35                80
 10/14/2012   22:09:09   (  -0.21,-135.35) (   0.70,-131.31)  460.83                80
 10/16/2012   10:28:17   (   0.18,-135.37) (   0.43,-136.59)  137.84                80
 10/17/2012   10:12:10   (   0.20,-135.36) (  -0.53,-132.04)  377.51                80
 10/18/2012   22:31:26   (  -0.17,-135.29) (  -0.64,-137.34)  234.71                80
 10/19/2012   22:15:20   (  -0.18,-135.27) (   0.37,-132.81)  280.38                80