Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 13.  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)
 07/14/2018   18:24:19   (  -0.13,-135.47) (  -0.41,-134.34)  129.54                80
 07/16/2018   06:45:57   (   0.10,-135.47) (  -0.65,-138.93)  394.17                80
 07/17/2018   06:22:37   (   0.13,-135.48) (   0.45,-133.93)  175.61                80
 07/18/2018   18:44:07   (  -0.09,-135.51) (   0.57,-138.49)  339.22                80
 07/19/2018   18:20:48   (  -0.12,-135.52) (  -0.59,-133.51)  230.26                80
 07/21/2018   06:42:26   (   0.08,-135.51) (  -0.47,-138.09)  294.04                80
 07/22/2018   06:19:06   (   0.11,-135.51) (   0.63,-133.10)  275.25                80
 07/23/2018   18:40:36   (  -0.07,-135.55) (   0.38,-137.66)  240.26                80
 07/24/2018   18:17:15   (  -0.10,-135.55) (  -0.72,-132.66)  328.48                80
 07/26/2018   06:38:54   (   0.06,-135.52) (  -0.34,-137.25)  197.03                80
 07/27/2018   06:15:34   (   0.09,-135.52) (   0.82,-132.26)  371.47                80