Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 6 14.  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)
 06/15/2018   18:24:41   (  -0.18,-134.60) (  -0.22,-134.31)   32.05                80
 06/17/2018   06:46:20   (   0.16,-134.67) (  -0.77,-138.91)  483.42                80
 06/18/2018   06:23:01   (   0.18,-134.72) (   0.38,-133.93)   90.46                80
 06/19/2018   18:44:31   (  -0.17,-134.79) (   0.67,-138.48)  421.60                80
 06/20/2018   18:21:12   (  -0.18,-134.83) (  -0.48,-133.50)  152.03                80
 06/22/2018   06:42:50   (   0.16,-134.90) (  -0.57,-138.09)  363.80                80
 06/23/2018   06:19:31   (   0.18,-134.94) (   0.58,-133.10)  209.76                80
 06/24/2018   18:41:02   (  -0.16,-135.00) (   0.41,-137.67)  302.76                80
 06/25/2018   18:17:41   (  -0.17,-135.04) (  -0.69,-132.67)  270.28                80
 06/27/2018   06:39:21   (   0.15,-135.10) (  -0.30,-137.27)  246.63                80
 06/28/2018   06:16:00   (   0.17,-135.14) (   0.80,-132.27)  326.12                80