Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 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)
 09/10/2018   18:25:59   (  -0.22,-135.28) (  -0.46,-134.31)  110.98                80
 09/12/2018   06:42:18   (   0.25,-135.26) (  -0.54,-138.91)  415.98                80
 09/13/2018   06:24:17   (   0.23,-135.29) (   0.51,-133.90)  157.17                80
 09/14/2018   18:40:28   (  -0.25,-135.41) (   0.41,-138.48)  349.91                80
 09/15/2018   18:22:27   (  -0.23,-135.44) (  -0.64,-133.47)  223.32                80
 09/17/2018   06:38:46   (   0.26,-135.41) (  -0.35,-138.08)  304.03                80
 09/18/2018   06:20:46   (   0.24,-135.44) (   0.77,-133.08)  268.36                80
 09/19/2018   18:36:56   (  -0.26,-135.54) (   0.22,-137.65)  240.28                80
 09/20/2018   18:18:55   (  -0.25,-135.57) (  -0.90,-132.65)  332.22                80
 09/22/2018   06:35:15   (   0.27,-135.54) (  -0.09,-137.26)  195.48                80
 09/23/2018   06:17:13   (   0.26,-135.56) (   0.98,-132.25)  376.25                80