Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 7.  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)
 09/08/2017   06:27:50   (   0.20,-135.02) (   0.28,-134.72)   34.18                80
 09/09/2017   18:44:02   (  -0.23,-135.14) (   0.70,-139.29)  472.77                80
 09/10/2017   18:26:01   (  -0.21,-135.18) (  -0.40,-134.29)  100.25                80
 09/12/2017   06:45:00   (   0.23,-135.14) (  -0.59,-138.90)  427.68                80
 09/13/2017   06:24:20   (   0.21,-135.16) (   0.51,-133.90)  144.19                80
 09/14/2017   18:40:31   (  -0.23,-135.27) (   0.47,-138.47)  364.89                80
 09/15/2017   18:22:31   (  -0.22,-135.29) (  -0.63,-133.47)  207.22                80
 09/17/2017   06:41:30   (   0.24,-135.25) (  -0.35,-138.07)  321.06                80
 09/18/2017   06:18:09   (   0.23,-135.26) (   0.69,-133.06)  250.22                80
 09/19/2017   18:37:01   (  -0.25,-135.36) (   0.23,-137.65)  260.11                80
 09/20/2017   18:19:01   (  -0.24,-135.38) (  -0.87,-132.65)  311.73                80