Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2017   18:44:21   (  -0.08,-134.96) (   0.88,-139.26)  489.50                80
 08/12/2017   18:26:21   (  -0.05,-134.98) (  -0.21,-134.26)   82.60                80
 08/14/2017   06:42:41   (   0.09,-134.90) (  -0.77,-138.86)  451.40                80
 08/15/2017   06:24:41   (   0.06,-134.91) (   0.32,-133.86)  119.88                80
 08/16/2017   18:40:52   (  -0.10,-135.04) (   0.65,-138.43)  386.48                80
 08/17/2017   18:22:51   (  -0.07,-135.05) (  -0.44,-133.43)  184.64                80
 08/19/2017   06:39:11   (   0.11,-134.96) (  -0.58,-138.03)  350.26                80
 08/20/2017   06:21:10   (   0.09,-134.96) (   0.51,-133.03)  220.12                80
 08/21/2017   18:37:23   (  -0.13,-135.08) (   0.41,-137.61)  287.63                80
 08/22/2017   18:19:22   (  -0.11,-135.09) (  -0.68,-132.61)  283.10                80
 08/24/2017   06:35:41   (   0.14,-135.00) (  -0.33,-137.21)  251.64                80