Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2016   22:40:41   (  -0.25,-135.29) (  -1.05,-138.92)  412.99                80
 10/03/2016   22:24:36   (  -0.26,-135.27) (  -0.05,-134.39)  101.12                80
 10/06/2016   10:27:40   (   0.25,-135.23) (   0.22,-135.13)   11.32                80
 10/08/2016   22:28:13   (  -0.24,-135.13) (  -0.39,-135.92)   88.89                80
 10/09/2016   22:12:08   (  -0.25,-135.10) (   0.61,-131.39)  424.13                80
 10/11/2016   10:31:17   (   0.22,-135.08) (   0.56,-136.66)  180.32                80
 10/12/2016   10:15:12   (   0.23,-135.04) (  -0.44,-132.13)  332.00                80
 10/13/2016   22:34:30   (  -0.20,-134.96) (  -0.74,-137.45)  283.16                80
 10/14/2016   22:18:24   (  -0.22,-134.92) (   0.21,-132.90)  229.19                80