Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 6 20.  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)
 06/20/2016   23:39:24   (   0.11,-135.44) (   0.33,-134.39)  119.60                80
 06/21/2016   23:28:04   (   0.10,-135.45) (   0.98,-131.64)  435.68                80
 06/23/2016   11:58:34   (  -0.13,-135.49) (   0.81,-139.61)  469.79                80
 06/24/2016   11:47:12   (  -0.13,-135.50) (   0.20,-136.85)  153.94                80
 06/25/2016   11:38:32   (  -0.12,-135.51) (  -0.48,-134.10)  161.82                80
 06/26/2016   11:27:10   (  -0.12,-135.51) (  -1.09,-131.33)  477.39                80
 06/27/2016   23:57:46   (   0.14,-135.49) (  -0.73,-139.32)  437.20                80
 06/28/2016   23:46:24   (   0.14,-135.49) (  -0.13,-136.56)  122.18                80
 06/29/2016   23:37:44   (   0.14,-135.49) (   0.53,-133.80)  192.66                80
 07/02/2016   11:56:51   (  -0.16,-135.51) (   0.64,-139.01)  399.32                80
 07/03/2016   11:45:29   (  -0.16,-135.50) (   0.01,-136.24)   84.89                80