Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 9.  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)
 08/10/2018   06:25:37   (   0.00,-135.26) (   0.11,-134.71)   62.34                80
 08/11/2018   18:47:07   (   0.04,-135.27) (   0.94,-139.27)  455.29                80
 08/12/2018   18:23:47   (   0.01,-135.25) (  -0.23,-134.28)  110.40                80
 08/14/2018   06:45:25   (  -0.05,-135.16) (  -0.85,-138.87)  421.79                80
 08/15/2018   06:22:05   (  -0.02,-135.13) (   0.26,-133.87)  143.87                80
 08/16/2018   18:43:34   (   0.06,-135.14) (   0.78,-138.42)  374.02                80
 08/17/2018   18:20:14   (   0.03,-135.11) (  -0.32,-133.43)  191.32                80
 08/19/2018   06:41:52   (  -0.08,-135.01) (  -0.75,-138.01)  341.67                80
 08/20/2018   06:18:33   (  -0.05,-134.98) (   0.41,-133.03)  223.40                80
 08/21/2018   18:40:01   (   0.09,-134.98) (   0.68,-137.57)  295.48                80
 08/22/2018   18:16:41   (   0.06,-134.94) (  -0.48,-132.58)  269.16                80