Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2011 11 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/25/2011   21:46:26   (   0.00,-121.07) (  -0.87,-124.83)  428.71                80
 11/26/2011   21:25:03   (  -0.02,-121.87) (   0.33,-120.34)  174.66                80
 11/28/2011   09:49:33   (  -0.00,-122.85) (   0.61,-125.66)  319.50                80
 11/29/2011   09:28:10   (   0.01,-123.64) (  -0.54,-121.16)  282.81                80
 11/30/2011   21:52:49   (   0.01,-125.09) (  -0.33,-126.53)  163.95                80
 12/01/2011   21:31:27   (  -0.01,-125.89) (   0.88,-122.04)  439.49                80
 12/03/2011   09:55:56   (  -0.01,-126.88) (   0.10,-127.35)   54.07                80
 12/05/2011   21:56:32   (   0.01,-129.10) (   0.20,-128.22)  100.51                80
 12/07/2011   10:21:01   (  -0.03,-130.10) (   0.76,-133.53)  391.88                80
 12/08/2011   09:59:38   (  -0.01,-130.88) (  -0.40,-129.03)  209.67                80