Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 31.  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)
 09/01/2018   18:12:20   (  -0.15,-134.94) (  -1.04,-130.95)  454.06                80
 09/03/2018   06:28:40   (   0.18,-134.91) (   0.03,-135.55)   73.11                80
 09/05/2018   18:26:50   (  -0.19,-135.09) (  -0.16,-135.12)    4.47                80
 09/08/2018   06:27:48   (   0.21,-135.10) (   0.27,-134.73)   42.04                80
 09/09/2018   18:44:00   (  -0.24,-135.23) (   0.66,-139.31)  464.18                80
 09/10/2018   18:25:59   (  -0.22,-135.27) (  -0.46,-134.31)  109.45                80
 09/12/2018   06:42:18   (   0.25,-135.24) (  -0.54,-138.91)  417.86                80
 09/13/2018   06:24:17   (   0.23,-135.27) (   0.52,-133.90)  155.10                80