Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 8.  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)
 09/09/2017   18:44:02   (  -0.23,-135.15) (   0.69,-139.30)  472.65                80
 09/10/2017   18:26:01   (  -0.21,-135.18) (  -0.41,-134.30)  100.39                80
 09/12/2017   06:45:01   (   0.23,-135.14) (  -0.58,-138.90)  427.69                80
 09/13/2017   06:24:20   (   0.21,-135.16) (   0.52,-133.90)  144.24                80
 09/14/2017   18:40:32   (  -0.23,-135.27) (   0.46,-138.47)  364.66                80
 09/15/2017   18:22:31   (  -0.22,-135.29) (  -0.64,-133.47)  207.47                80
 09/17/2017   06:41:29   (   0.24,-135.25) (  -0.40,-138.06)  320.97                80
 09/18/2017   06:18:09   (   0.23,-135.27) (   0.70,-133.07)  250.32                80
 09/19/2017   18:37:00   (  -0.25,-135.36) (   0.28,-137.64)  259.77                80
 09/20/2017   18:19:00   (  -0.24,-135.38) (  -0.82,-132.64)  312.07                80
 09/22/2017   06:37:59   (   0.26,-135.34) (  -0.15,-137.24)  216.01                80