Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2016   22:12:10   (  -0.16,-134.45) (   0.50,-131.41)  346.36                80
 10/27/2016   10:31:18   (   0.14,-134.39) (   0.64,-136.69)  261.47                80
 10/28/2016   10:15:13   (   0.15,-134.34) (  -0.32,-132.15)  249.15                80
 10/29/2016   22:34:30   (  -0.12,-134.23) (  -0.84,-137.46)  368.17                80
 10/30/2016   22:18:25   (  -0.14,-134.18) (   0.12,-132.92)  142.51                80
 11/01/2016   10:37:33   (   0.11,-134.12) (   1.02,-138.20)  465.50                80
 11/02/2016   10:21:27   (   0.12,-134.06) (   0.06,-133.66)   44.43                80
 11/04/2016   22:21:59   (  -0.11,-133.87) (  -0.26,-134.44)   65.18                80
 11/05/2016   22:05:55   (  -0.12,-133.81) (   0.76,-129.91)  444.44                80
 11/07/2016   10:25:02   (   0.09,-133.73) (   0.43,-135.18)  164.82                80
 11/08/2016   10:08:58   (   0.11,-133.66) (  -0.59,-130.65)  344.07                80