Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 6 25.  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)
 06/25/2015   22:54:33   (   0.09,-134.61) (   1.08,-130.38)  483.04                80
 06/27/2015   11:25:10   (  -0.12,-134.68) (   0.72,-138.39)  423.26                80
 06/28/2015   11:13:57   (  -0.12,-134.72) (   0.12,-135.67)  108.66                80
 06/29/2015   11:05:24   (  -0.12,-134.75) (  -0.55,-132.95)  205.74                80
 07/01/2015   23:25:04   (   0.14,-134.81) (  -0.65,-138.30)  398.12                80
 07/02/2015   23:13:51   (   0.14,-134.84) (  -0.06,-135.58)   84.59                80
 07/03/2015   23:05:18   (   0.14,-134.87) (   0.60,-132.86)  228.90                80
 07/06/2015   11:24:41   (  -0.16,-134.94) (   0.56,-138.15)  366.15                80
 07/07/2015   11:13:27   (  -0.15,-134.96) (  -0.05,-135.42)   52.90                80
 07/08/2015   11:04:54   (  -0.15,-134.98) (  -0.66,-132.70)  260.17                80