Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 11.  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)
 07/12/2018   06:26:08   (   0.13,-135.42) (   0.28,-134.77)   74.33                80
 07/13/2018   18:47:39   (  -0.10,-135.46) (   0.75,-139.33)  440.24                80
 07/14/2018   18:24:19   (  -0.13,-135.47) (  -0.41,-134.34)  129.51                80
 07/16/2018   06:45:57   (   0.10,-135.46) (  -0.65,-138.93)  394.33                80
 07/17/2018   06:22:37   (   0.13,-135.48) (   0.45,-133.93)  175.42                80
 07/18/2018   18:44:07   (  -0.09,-135.51) (   0.57,-138.49)  339.36                80
 07/19/2018   18:20:48   (  -0.12,-135.52) (  -0.59,-133.51)  230.09                80
 07/21/2018   06:42:26   (   0.08,-135.51) (  -0.47,-138.09)  294.33                80
 07/22/2018   06:19:06   (   0.11,-135.51) (   0.63,-133.10)  274.94                80
 07/23/2018   18:40:36   (  -0.07,-135.54) (   0.38,-137.66)  240.53                80
 07/24/2018   18:17:15   (  -0.10,-135.54) (  -0.72,-132.66)  328.19                80