Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 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)
 09/15/2018   18:22:28   (  -0.23,-135.43) (  -0.69,-133.48)  222.06                80
 09/17/2018   06:38:46   (   0.26,-135.40) (  -0.36,-138.07)  305.80                80
 09/18/2018   06:20:45   (   0.24,-135.42) (   0.76,-133.08)  266.20                80
 09/19/2018   18:36:56   (  -0.26,-135.52) (   0.23,-137.65)  243.13                80
 09/20/2018   18:18:55   (  -0.25,-135.54) (  -0.88,-132.65)  329.01                80
 09/22/2018   06:35:14   (   0.27,-135.50) (  -0.10,-137.26)  199.15                80
 09/23/2018   06:17:13   (   0.26,-135.52) (   0.96,-132.25)  372.18                80
 09/24/2018   18:33:24   (  -0.28,-135.61) (  -0.02,-136.83)  138.58                80
 09/25/2018   18:15:24   (  -0.26,-135.62) (  -1.14,-131.83)  432.93                80
 09/27/2018   06:31:42   (   0.29,-135.58) (   0.11,-136.42)   95.53                80
 09/28/2018   06:13:42   (   0.27,-135.59) (   1.23,-131.43)  474.98                80