Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 12.  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   18:40:20   (  -0.32,-135.64) (   0.32,-138.48)  324.26                80
 10/14/2018   18:22:19   (  -0.31,-135.63) (  -0.76,-133.48)  244.66                80
 10/16/2018   06:41:19   (   0.31,-135.56) (  -0.25,-138.07)  286.59                80
 10/17/2018   06:17:58   (   0.30,-135.54) (   0.84,-133.07)  281.37                80
 10/18/2018   18:36:50   (  -0.31,-135.57) (   0.18,-137.63)  234.73                80
 10/19/2018   18:18:50   (  -0.30,-135.56) (  -0.97,-132.64)  333.60                80
 10/21/2018   06:37:48   (   0.31,-135.49) (  -0.08,-137.22)  197.65                80
 10/22/2018   06:14:28   (   0.30,-135.47) (   1.01,-132.22)  369.67                80
 10/23/2018   18:33:19   (  -0.31,-135.48) (  -0.00,-136.78)  147.96                80
 10/24/2018   18:15:20   (  -0.31,-135.47) (  -1.16,-131.79)  419.68                80
 10/26/2018   06:34:17   (   0.31,-135.39) (   0.07,-136.36)  111.95                80