Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2017   18:46:18   (  -0.19,-135.11) (   0.72,-139.26)  472.96                80
 11/24/2017   18:28:18   (  -0.19,-135.13) (  -0.38,-134.26)   99.18                80
 11/26/2017   06:47:20   (   0.18,-135.22) (  -0.61,-138.87)  415.26                80
 11/27/2017   06:24:00   (   0.18,-135.24) (   0.49,-133.87)  155.81                80
 11/28/2017   18:42:52   (  -0.17,-135.22) (   0.53,-138.43)  365.29                80
 11/29/2017   18:24:52   (  -0.18,-135.24) (  -0.58,-133.43)  206.14                80
 12/01/2017   06:43:52   (   0.17,-135.32) (  -0.46,-138.03)  308.84                80
 12/02/2017   06:20:33   (   0.17,-135.33) (   0.66,-133.03)  261.40                80
 12/03/2017   18:39:24   (  -0.16,-135.30) (   0.35,-137.59)  261.72                80
 12/04/2017   18:21:25   (  -0.16,-135.31) (  -0.77,-132.60)  308.74                80
 12/06/2017   06:40:25   (   0.15,-135.38) (  -0.25,-137.19)  207.02                80