Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 18.  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)
 08/19/2017   06:39:10   (   0.11,-134.97) (  -0.60,-138.03)  349.02                80
 08/20/2017   06:21:11   (   0.09,-134.98) (   0.55,-133.04)  221.63                80
 08/21/2017   18:37:22   (  -0.12,-135.10) (   0.42,-137.61)  285.65                80
 08/22/2017   18:19:22   (  -0.11,-135.11) (  -0.67,-132.61)  285.21                80
 08/24/2017   06:35:41   (   0.14,-135.02) (  -0.35,-137.21)  249.46                80
 08/25/2017   06:17:41   (   0.12,-135.02) (   0.74,-132.21)  320.87                80
 08/26/2017   18:33:52   (  -0.15,-135.14) (   0.24,-136.78)  187.28                80
 08/27/2017   18:15:51   (  -0.13,-135.15) (  -0.85,-131.78)  383.19                80
 08/29/2017   06:32:11   (   0.16,-135.05) (  -0.16,-136.38)  151.80                80
 08/30/2017   06:14:10   (   0.14,-135.05) (   0.94,-131.38)  417.83                80
 08/31/2017   18:30:23   (  -0.17,-135.15) (  -0.01,-135.96)   91.98                80
 09/01/2017   18:12:22   (  -0.15,-135.15) (  -1.10,-130.96)  477.68                80