Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 6 5.  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)
 06/06/2018   18:11:03   (  -0.19,-134.74) (  -1.04,-131.00)  426.04                80
 06/08/2018   06:32:41   (   0.18,-134.62) (  -0.02,-135.59)  110.17                80
 06/09/2018   06:09:21   (   0.19,-134.57) (   1.07,-130.59)  453.77                80
 06/10/2018   18:30:51   (  -0.17,-134.54) (  -0.02,-135.14)   68.93                80
 06/11/2018   18:07:32   (  -0.18,-134.49) (  -1.17,-130.16)  494.33                80
 06/13/2018   06:29:10   (   0.17,-134.36) (   0.11,-134.74)   43.51                80
 06/15/2018   18:27:20   (  -0.18,-134.26) (  -0.15,-134.30)    5.43                80
 06/18/2018   06:25:38   (   0.18,-134.05) (   0.19,-133.89)   18.42                80