Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2014   22:37:40   (   0.03,-134.50) (  -0.61,-137.44)  334.61                80
 03/15/2014   22:21:37   (   0.03,-134.45) (   0.37,-132.91)  175.73                80
 03/17/2014   10:43:30   (  -0.02,-134.37) (   0.81,-138.19)  434.59                80
 03/18/2014   10:22:07   (  -0.03,-134.32) (  -0.17,-133.66)   75.00                80
 03/20/2014   22:25:25   (   0.03,-134.17) (  -0.03,-134.44)   29.69                80
 03/21/2014   22:09:22   (   0.03,-134.12) (   0.96,-129.90)  479.59                80
 03/23/2014   10:31:14   (  -0.02,-134.02) (   0.25,-135.17)  132.12                80
 03/24/2014   10:09:51   (  -0.02,-133.95) (  -0.74,-130.64)  376.44                80
 03/25/2014   22:31:51   (   0.01,-133.85) (  -0.48,-135.95)  239.53                80
 03/26/2014   22:15:48   (   0.01,-133.78) (   0.53,-131.42)  269.16                80