Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 8 20.  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)
 08/21/2015   11:10:21   (   0.39,-134.78) (   0.18,-133.84)  107.46                80
 08/22/2015   10:59:08   (   0.39,-134.81) (  -0.47,-131.12)  422.23                80
 08/23/2015   23:32:33   (  -0.38,-134.86) (  -1.36,-139.16)  490.04                80
 08/24/2015   23:21:19   (  -0.38,-134.89) (  -0.74,-136.43)  175.54                80
 08/25/2015   23:12:44   (  -0.38,-134.92) (  -0.13,-133.70)  138.83                80
 08/26/2015   23:01:31   (  -0.38,-134.95) (   0.55,-130.98)  453.01                80
 08/28/2015   11:32:12   (   0.36,-134.99) (   1.26,-139.01)  458.34                80
 08/29/2015   11:20:58   (   0.36,-135.01) (   0.65,-136.28)  144.68                80
 08/30/2015   11:12:23   (   0.36,-135.03) (   0.05,-133.55)  168.94                80
 08/31/2015   11:01:10   (   0.37,-135.05) (  -0.62,-130.83)  482.41                80
 09/01/2015   23:31:53   (  -0.35,-135.08) (  -1.19,-138.86)  431.59                80
 09/02/2015   23:20:38   (  -0.35,-135.09) (  -0.56,-136.13)  118.22                80