Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2012   10:34:39   (   0.24,-135.42) (   0.83,-138.11)  306.33                80
 10/06/2012   10:18:34   (   0.25,-135.42) (  -0.19,-133.58)  210.78                80
 10/07/2012   22:37:49   (  -0.22,-135.39) (  -0.98,-138.88)  397.90                80
 10/08/2012   22:21:43   (  -0.23,-135.39) (  -0.02,-134.34)  119.20                80
 10/10/2012   10:40:50   (   0.20,-135.42) (   1.13,-139.62)  477.79                80
 10/11/2012   10:24:45   (   0.21,-135.42) (   0.11,-135.08)   38.85                80
 10/13/2012   22:25:13   (  -0.20,-135.36) (  -0.29,-135.84)   54.81                80
 10/14/2012   22:09:07   (  -0.21,-135.35) (   0.69,-131.30)  461.54                80
 10/16/2012   10:28:13   (   0.18,-135.37) (   0.47,-136.57)  136.67                80
 10/17/2012   10:12:08   (   0.20,-135.36) (  -0.56,-132.04)  378.85                80