Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 6 15.  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)
 06/17/2018   06:46:20   (   0.16,-134.67) (  -0.80,-138.91)  483.47                80
 06/18/2018   06:23:00   (   0.18,-134.72) (   0.35,-133.92)   90.37                80
 06/19/2018   18:44:32   (  -0.17,-134.79) (   0.64,-138.49)  421.64                80
 06/20/2018   18:21:11   (  -0.18,-134.83) (  -0.45,-133.49)  152.02                80
 06/22/2018   06:42:51   (   0.16,-134.90) (  -0.54,-138.09)  363.85                80
 06/23/2018   06:19:31   (   0.18,-134.94) (   0.62,-133.11)  209.71                80
 06/24/2018   18:41:01   (  -0.16,-135.00) (   0.44,-137.66)  302.81                80
 06/25/2018   18:17:42   (  -0.17,-135.04) (  -0.72,-132.67)  270.21                80
 06/27/2018   06:39:20   (   0.15,-135.10) (  -0.33,-137.26)  246.71                80
 06/28/2018   06:16:01   (   0.17,-135.14) (   0.83,-132.28)  326.02                80
 06/29/2018   18:37:31   (  -0.15,-135.19) (   0.22,-136.83)  187.49                80