Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 8 10.  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) (  -0.10,-136.18)  203.99                80
 08/12/2016   23:40:14   (   0.30,-134.34) (   0.50,-133.41)  105.30                80
 08/13/2016   23:28:52   (   0.31,-134.28) (   1.16,-130.66)  414.39                80
 08/16/2016   11:47:52   (  -0.32,-134.13) (   0.05,-135.82)  192.89                80
 08/17/2016   11:39:09   (  -0.32,-134.07) (  -0.54,-133.05)  115.58                80
 08/18/2016   11:27:48   (  -0.32,-134.00) (  -1.20,-130.29)  423.89                80
 08/19/2016   23:58:25   (   0.32,-133.90) (  -0.70,-138.28)  499.75                80
 08/20/2016   23:47:03   (   0.32,-133.84) (  -0.09,-135.51)  191.61                80
 08/21/2016   23:38:21   (   0.32,-133.77) (   0.58,-132.75)  116.46                80
 08/22/2016   23:26:59   (   0.32,-133.70) (   1.19,-129.98)  424.27                80
 08/24/2016   12:00:01   (  -0.32,-133.59) (   0.70,-137.91)  494.01                80