Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 6.  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,-134.93) (   0.27,-134.72)   24.44                80
 09/09/2017   18:44:01   (  -0.23,-135.00) (   0.72,-139.29)  488.37                80
 09/10/2017   18:26:01   (  -0.21,-134.99) (  -0.38,-134.29)   79.59                80
 09/12/2017   06:42:19   (   0.23,-134.86) (  -0.67,-138.88)  457.98                80
 09/13/2017   06:24:19   (   0.22,-134.84) (   0.43,-133.88)  108.80                80
 09/14/2017   18:40:30   (  -0.24,-134.89) (   0.55,-138.45)  406.16                80
 09/15/2017   18:22:30   (  -0.22,-134.86) (  -0.55,-133.45)  160.89                80
 09/17/2017   06:41:28   (   0.25,-134.74) (  -0.49,-138.04)  376.94                80
 09/18/2017   06:20:47   (   0.23,-134.70) (   0.61,-133.05)  189.24                80
 09/19/2017   18:36:59   (  -0.25,-134.74) (   0.37,-137.62)  327.03                80
 09/20/2017   18:18:58   (  -0.24,-134.72) (  -0.73,-132.62)  239.75                80