Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 3.  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)
 09/05/2018   18:26:50   (  -0.19,-135.10) (  -0.17,-135.12)    3.42                80
 09/08/2018   06:27:48   (   0.21,-135.11) (   0.28,-134.73)   42.87                80
 09/09/2018   18:44:00   (  -0.24,-135.24) (   0.65,-139.31)  462.89                80
 09/10/2018   18:25:58   (  -0.22,-135.28) (  -0.41,-134.30)  110.88                80
 09/12/2018   06:42:19   (   0.25,-135.25) (  -0.54,-138.91)  416.47                80
 09/13/2018   06:24:17   (   0.23,-135.28) (   0.52,-133.91)  156.64                80
 09/14/2018   18:40:28   (  -0.26,-135.41) (   0.41,-138.48)  350.17                80
 09/15/2018   18:22:27   (  -0.24,-135.44) (  -0.64,-133.48)  223.04                80
 09/17/2018   06:38:46   (   0.26,-135.41) (  -0.35,-138.08)  304.64                80