Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 6 3.  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)
 06/03/2016   23:31:21   (   0.04,-135.03) (   0.56,-132.80)  254.64                80
 06/06/2016   11:50:34   (  -0.06,-135.13) (   0.61,-138.03)  330.25                80
 06/07/2016   11:39:14   (  -0.05,-135.17) (  -0.04,-135.27)   11.87                80
 06/08/2016   11:30:33   (  -0.05,-135.20) (  -0.70,-132.52)  306.58                80
 06/10/2016   23:49:44   (   0.07,-135.26) (  -0.52,-137.73)  282.90                80
 06/11/2016   23:41:04   (   0.07,-135.29) (   0.13,-134.98)   35.22                80
 06/12/2016   23:29:43   (   0.06,-135.32) (   0.78,-132.22)  353.25                80
 06/15/2016   11:48:55   (  -0.08,-135.41) (   0.37,-137.45)  233.03                80
 06/16/2016   11:40:13   (  -0.08,-135.43) (  -0.24,-134.69)   84.61                80
 06/17/2016   11:28:53   (  -0.08,-135.45) (  -0.90,-131.93)  402.06                80