Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 7 8.  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)
 07/10/2015   23:24:33   (   0.17,-135.02) (  -0.55,-138.04)  345.07                80
 07/11/2015   23:13:21   (   0.17,-135.04) (   0.13,-135.33)   32.43                80
 07/12/2015   23:04:47   (   0.17,-135.06) (   0.74,-132.60)  280.20                80
 07/15/2015   11:24:08   (  -0.20,-135.09) (   0.45,-137.88)  318.23                80
 07/16/2015   11:12:55   (  -0.19,-135.10) (  -0.17,-135.15)    5.89                80
 07/17/2015   11:04:21   (  -0.19,-135.12) (  -0.80,-132.43)  306.52                80
 07/19/2015   23:24:01   (   0.21,-135.15) (  -0.41,-137.78)  300.22                80
 07/20/2015   23:15:27   (   0.21,-135.16) (   0.23,-135.05)   11.86                80
 07/21/2015   23:04:14   (   0.21,-135.17) (   0.86,-132.33)  323.76                80