Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 7 10.  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)
 07/11/2018   06:49:28   (   0.11,-135.41) (  -0.85,-139.76)  495.95                80
 07/12/2018   06:26:08   (   0.13,-135.42) (   0.25,-134.76)   74.28                80
 07/13/2018   18:47:38   (  -0.10,-135.46) (   0.78,-139.32)  440.32                80
 07/14/2018   18:24:19   (  -0.13,-135.47) (  -0.38,-134.34)  129.35                80
 07/16/2018   06:45:57   (   0.10,-135.46) (  -0.67,-138.92)  394.58                80
 07/17/2018   06:22:38   (   0.13,-135.47) (   0.49,-133.94)  175.12                80
 07/18/2018   18:44:07   (  -0.09,-135.51) (   0.59,-138.49)  339.67                80
 07/19/2018   18:20:47   (  -0.12,-135.52) (  -0.57,-133.50)  229.74                80
 07/21/2018   06:42:26   (   0.08,-135.50) (  -0.49,-138.09)  294.79                80
 07/22/2018   06:19:06   (   0.11,-135.51) (   0.67,-133.10)  274.44                80
 07/23/2018   18:40:35   (  -0.07,-135.54) (   0.41,-137.65)  241.03                80
 07/24/2018   18:17:16   (  -0.10,-135.54) (  -0.76,-132.67)  327.65                80