Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 17.  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   06:39:11   (   0.11,-134.97) (  -0.56,-138.03)  349.02                80
 08/20/2017   06:21:11   (   0.09,-134.98) (   0.53,-133.03)  221.61                80
 08/21/2017   18:37:22   (  -0.12,-135.10) (   0.45,-137.60)  285.56                80
 08/22/2017   18:19:21   (  -0.11,-135.11) (  -0.64,-132.60)  285.33                80
 08/24/2017   06:35:41   (   0.14,-135.02) (  -0.37,-137.20)  249.41                80
 08/25/2017   06:17:40   (   0.12,-135.03) (   0.72,-132.20)  320.96                80
 08/26/2017   18:33:53   (  -0.15,-135.14) (   0.20,-136.79)  187.10                80
 08/27/2017   18:15:52   (  -0.13,-135.15) (  -0.89,-131.79)  383.36                80
 08/29/2017   06:32:11   (   0.16,-135.05) (  -0.12,-136.38)  151.64                80
 08/30/2017   06:14:11   (   0.14,-135.05) (   0.97,-131.39)  417.99                80
 08/31/2017   18:30:22   (  -0.17,-135.15) (   0.01,-135.95)   91.72                80