Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2011 11 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/29/2011   09:28:10   (   0.01,-123.64) (  -0.54,-121.16)  283.36                80
 11/30/2011   21:52:50   (   0.01,-125.09) (  -0.34,-126.52)  163.70                80
 12/01/2011   21:31:27   (  -0.01,-125.89) (   0.87,-122.03)  439.76                80
 12/03/2011   09:55:56   (  -0.01,-126.88) (   0.12,-127.35)   53.45                80
 12/05/2011   21:56:33   (   0.01,-129.11) (   0.23,-128.23)  100.99                80
 12/07/2011   10:21:03   (  -0.03,-130.11) (   0.74,-133.54)  391.06                80
 12/08/2011   09:59:39   (  -0.01,-130.89) (  -0.42,-129.04)  210.52                80
 12/09/2011   22:24:18   (   0.02,-132.30) (  -0.43,-134.41)  240.00                80
 12/10/2011   22:02:55   (   0.01,-133.09) (   0.73,-129.91)  362.56                80
 12/12/2011   10:27:24   (  -0.02,-134.09) (   0.22,-135.23)  129.92                80