Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 6.  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)
 07/07/2018   06:32:19   (   0.14,-135.33) (   0.09,-135.60)   30.73                80
 07/09/2018   18:27:50   (  -0.14,-135.40) (  -0.22,-135.18)   26.73                80
 07/11/2018   06:49:28   (   0.11,-135.40) (  -0.84,-139.76)  496.80                80
 07/12/2018   06:26:08   (   0.13,-135.41) (   0.26,-134.77)   73.18                80
 07/13/2018   18:47:38   (  -0.10,-135.45) (   0.77,-139.32)  441.46                80
 07/14/2018   18:24:19   (  -0.13,-135.46) (  -0.39,-134.34)  128.00                80
 07/16/2018   06:45:57   (   0.10,-135.45) (  -0.67,-138.93)  396.52                80
 07/17/2018   06:22:38   (   0.13,-135.45) (   0.48,-133.94)  172.94                80
 07/18/2018   18:44:07   (  -0.10,-135.49) (   0.60,-138.49)  341.97                80
 07/19/2018   18:20:47   (  -0.12,-135.50) (  -0.56,-133.50)  227.24                80