Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 4.  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)
 09/05/2017   18:26:52   (  -0.19,-135.06) (  -0.20,-135.12)    6.95                80
 09/08/2017   06:26:25   (   0.20,-134.93) (   0.24,-134.71)   24.32                 5
 09/09/2017   18:44:01   (  -0.23,-135.00) (   0.75,-139.28)  489.02                80
 09/10/2017   18:26:00   (  -0.21,-134.98) (  -0.35,-134.28)   78.86                80
 09/12/2017   06:42:20   (   0.23,-134.86) (  -0.64,-138.89)  458.46                80
 09/13/2017   06:24:18   (   0.22,-134.83) (   0.40,-133.87)  108.28                80
 09/14/2017   18:40:30   (  -0.24,-134.88) (   0.58,-138.44)  407.30                80
 09/15/2017   18:22:29   (  -0.22,-134.85) (  -0.52,-133.45)  159.68                80
 09/17/2017   06:41:28   (   0.25,-134.73) (  -0.47,-138.05)  377.89                80
 09/18/2017   06:18:07   (   0.23,-134.69) (   0.57,-133.04)  188.21                80