Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 7 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2015   23:03:39   (   0.25,-135.10) (   0.94,-132.04)  349.37                80
 08/02/2015   11:23:01   (  -0.26,-135.06) (   0.25,-137.32)  257.44                80
 08/03/2015   11:14:27   (  -0.26,-135.05) (  -0.38,-134.60)   52.24                80
 08/04/2015   11:03:13   (  -0.26,-135.04) (  -0.96,-131.86)  361.76                80
 08/06/2015   23:22:50   (   0.27,-135.01) (  -0.23,-137.20)  249.69                80
 08/07/2015   23:14:16   (   0.27,-134.99) (   0.42,-134.48)   59.47                80
 08/08/2015   23:03:02   (   0.27,-134.97) (   1.01,-131.75)  368.36                80
 08/11/2015   11:22:24   (  -0.29,-134.90) (   0.22,-137.02)  242.43                80
 08/12/2015   11:13:51   (  -0.29,-134.88) (  -0.42,-134.30)   66.11                80