Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 9.  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) (   0.67,-139.30)  472.61                80
 09/10/2017   18:26:02   (  -0.21,-135.18) (  -0.43,-134.30)  100.49                80
 09/12/2017   06:42:20   (   0.23,-135.14) (  -0.62,-138.89)  427.73                80
 09/13/2017   06:24:20   (   0.21,-135.16) (   0.48,-133.89)  144.21                80
 09/14/2017   18:40:31   (  -0.23,-135.27) (   0.50,-138.46)  364.47                80
 09/15/2017   18:22:30   (  -0.22,-135.29) (  -0.61,-133.47)  207.69                80
 09/17/2017   06:41:30   (   0.24,-135.25) (  -0.38,-138.07)  320.87                80
 09/18/2017   06:20:49   (   0.23,-135.27) (   0.73,-133.07)  250.45                80
 09/19/2017   18:37:01   (  -0.25,-135.36) (   0.25,-137.64)  259.40                80
 09/20/2017   18:19:00   (  -0.24,-135.38) (  -0.86,-132.64)  312.44                80
 09/22/2017   06:37:58   (   0.26,-135.35) (  -0.18,-137.24)  215.76                80
 09/23/2017   06:14:38   (   0.24,-135.36) (   0.93,-132.24)  355.15                80