Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 8 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)
 08/31/2015   10:58:29   (   0.37,-135.07) (  -0.62,-130.82)  484.67                80
 09/01/2015   23:31:53   (  -0.35,-135.11) (  -1.19,-138.86)  427.51                80
 09/02/2015   23:20:38   (  -0.35,-135.13) (  -0.57,-136.13)  113.93                80
 09/03/2015   23:12:04   (  -0.35,-135.15) (   0.06,-133.40)  199.47                80
 09/06/2015   11:31:32   (   0.33,-135.18) (   1.15,-138.70)  402.04                80
 09/07/2015   11:20:17   (   0.33,-135.19) (   0.53,-135.97)   89.32                80
 09/08/2015   11:11:43   (   0.33,-135.20) (  -0.09,-133.24)  223.43                80
 09/10/2015   23:31:11   (  -0.31,-135.24) (  -1.06,-138.55)  377.92                80
 09/11/2015   23:19:56   (  -0.31,-135.25) (  -0.43,-135.82)   65.18                80
 09/12/2015   23:11:22   (  -0.31,-135.26) (   0.20,-133.09)  247.44                80