Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 2.  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)
 09/03/2017   06:28:41   (   0.18,-134.99) (   0.07,-135.55)   63.67                80
 09/05/2017   18:26:52   (  -0.19,-135.06) (  -0.18,-135.12)    7.02                80
 09/08/2017   06:27:50   (   0.20,-134.93) (   0.28,-134.72)   24.29                80
 09/09/2017   18:44:02   (  -0.23,-134.99) (   0.71,-139.29)  489.75                80
 09/10/2017   18:26:01   (  -0.21,-134.97) (  -0.39,-134.29)   78.10                80
 09/12/2017   06:42:19   (   0.23,-134.85) (  -0.66,-138.88)  458.89                80
 09/13/2017   06:24:19   (   0.22,-134.83) (   0.44,-133.88)  107.73                80
 09/14/2017   18:40:30   (  -0.24,-134.87) (   0.55,-138.45)  408.38                80
 09/15/2017   18:22:30   (  -0.22,-134.84) (  -0.55,-133.45)  158.51                80