Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2014   22:36:34   (  -0.16,-135.30) (  -0.29,-136.02)   81.25                80
 10/20/2014   22:20:27   (  -0.17,-135.30) (   0.68,-131.48)  435.23                80
 10/22/2014   10:39:32   (   0.14,-135.28) (   0.45,-136.75)  167.00                80
 10/23/2014   10:23:25   (   0.16,-135.26) (  -0.52,-132.20)  348.70                80
 10/24/2014   22:42:38   (  -0.13,-135.23) (  -0.66,-137.49)  259.02                80
 10/25/2014   22:26:31   (  -0.14,-135.21) (   0.37,-132.96)  256.56                80
 10/27/2014   10:45:36   (   0.11,-135.18) (   0.80,-138.22)  346.44                80
 10/28/2014   10:29:28   (   0.13,-135.16) (  -0.17,-133.67)  168.21                80
 10/29/2014   22:48:42   (  -0.09,-135.10) (  -0.93,-138.98)  441.87                80
 10/30/2014   22:32:35   (  -0.11,-135.07) (   0.05,-134.44)   72.76                80
 11/02/2014   10:32:52   (   0.09,-135.01) (   0.13,-135.15)   16.64                80