Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 13.  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)
 10/13/2018   18:40:22   (  -0.32,-135.64) (   0.30,-138.50)  324.88                80
 10/14/2018   18:22:22   (  -0.31,-135.63) (  -0.76,-133.49)  243.93                80
 10/16/2018   06:41:22   (   0.31,-135.56) (  -0.23,-138.09)  287.58                80
 10/17/2018   06:18:02   (   0.30,-135.55) (   0.83,-133.08)  280.24                80
 10/18/2018   18:36:54   (  -0.31,-135.58) (   0.16,-137.65)  236.07                80
 10/19/2018   18:18:55   (  -0.30,-135.57) (  -0.96,-132.65)  332.05                80
 10/21/2018   06:37:54   (   0.31,-135.49) (  -0.08,-137.24)  199.53                80
 10/22/2018   06:14:34   (   0.30,-135.47) (   1.04,-132.25)  367.59                80
 10/23/2018   18:33:26   (  -0.31,-135.49) (   0.01,-136.80)  150.37                80
 10/24/2018   18:15:26   (  -0.31,-135.47) (  -1.11,-131.81)  417.04                80
 10/26/2018   06:34:26   (   0.31,-135.39) (   0.08,-136.40)  114.98                80
 10/27/2018   06:11:06   (   0.31,-135.36) (   1.20,-131.41)  451.14                80