Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2011 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2011   09:49:33   (  -0.00,-122.85) (   0.63,-125.65)  319.17                80
 11/29/2011   09:28:11   (   0.01,-123.64) (  -0.56,-121.16)  283.12                80
 11/30/2011   21:52:50   (   0.01,-125.09) (  -0.33,-126.53)  164.02                80
 12/01/2011   21:31:28   (  -0.01,-125.89) (   0.86,-122.04)  439.32                80
 12/03/2011   09:55:58   (  -0.01,-126.88) (   0.08,-127.36)   54.06                80
 12/05/2011   21:56:35   (   0.01,-129.11) (   0.22,-128.23)   99.96                80
 12/07/2011   10:21:05   (  -0.03,-130.11) (   0.72,-133.55)  392.40                80
 12/08/2011   09:59:42   (  -0.01,-130.89) (  -0.41,-129.05)  208.99                80
 12/09/2011   22:24:21   (   0.02,-132.30) (  -0.48,-134.42)  241.84                80
 12/10/2011   22:02:59   (   0.01,-133.09) (   0.72,-129.93)  360.50                80