Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 8 9.  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)
 08/11/2016   23:48:56   (   0.30,-134.40) (  -0.08,-136.19)  204.07                80
 08/12/2016   23:40:14   (   0.30,-134.34) (   0.52,-133.42)  105.23                80
 08/13/2016   23:28:51   (   0.31,-134.28) (   1.12,-130.65)  414.34                80
 08/16/2016   11:47:51   (  -0.32,-134.13) (   0.09,-135.81)  192.95                80
 08/17/2016   11:39:10   (  -0.32,-134.07) (  -0.56,-133.06)  115.51                80
 08/18/2016   11:27:47   (  -0.32,-134.00) (  -1.15,-130.28)  423.83                80
 08/19/2016   23:58:26   (   0.32,-133.90) (  -0.68,-138.28)  499.79                80
 08/20/2016   23:47:03   (   0.32,-133.84) (  -0.07,-135.51)  191.63                80
 08/21/2016   23:38:21   (   0.32,-133.77) (   0.54,-132.75)  116.41                80
 08/22/2016   23:26:58   (   0.32,-133.70) (   1.16,-129.98)  424.25                80