Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 6 21.  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)
 06/22/2015   23:25:30   (   0.10,-134.49) (  -0.84,-138.53)  462.50                80
 06/23/2015   23:14:18   (   0.10,-134.53) (  -0.20,-135.82)  147.35                80
 06/24/2015   23:05:45   (   0.09,-134.57) (   0.44,-133.10)  167.67                80
 06/25/2015   22:54:33   (   0.09,-134.61) (   1.09,-130.38)  482.53                80
 06/27/2015   11:25:10   (  -0.12,-134.68) (   0.72,-138.40)  423.41                80
 06/28/2015   11:13:57   (  -0.12,-134.72) (   0.11,-135.67)  108.79                80
 06/29/2015   11:05:24   (  -0.11,-134.75) (  -0.55,-132.96)  205.61                80
 07/01/2015   23:25:04   (   0.14,-134.81) (  -0.65,-138.31)  398.59                80
 07/02/2015   23:13:51   (   0.14,-134.84) (  -0.05,-135.58)   85.02                80
 07/03/2015   23:05:18   (   0.13,-134.86) (   0.61,-132.86)  228.47                80