Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 7.  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)
 03/08/2018   06:34:13   (  -0.02,-135.25) (  -0.28,-136.38)  128.54                80
 03/09/2018   06:16:14   (  -0.02,-135.23) (   0.84,-131.38)  438.19                80
 03/10/2018   18:32:25   (   0.01,-135.20) (   0.19,-135.94)   84.54                80
 03/11/2018   18:14:26   (   0.02,-135.18) (  -0.93,-130.95)  481.87                80
 03/13/2018   06:30:45   (  -0.01,-135.12) (  -0.12,-135.54)   47.90                80
 03/15/2018   18:28:57   (   0.01,-135.06) (   0.02,-135.11)    5.41                80
 03/18/2018   06:29:57   (  -0.01,-134.97) (   0.04,-134.71)   29.74                80
 03/19/2018   18:46:08   (   0.01,-134.93) (   0.97,-139.27)  494.84                80
 03/20/2018   18:28:07   (   0.01,-134.89) (  -0.09,-134.26)   70.39                80