Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 30.  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)
 05/31/2018   18:37:54   (  -0.17,-134.98) (   0.24,-136.83)  210.59                80
 06/01/2018   18:14:33   (  -0.18,-134.95) (  -0.85,-131.83)  354.10                80
 06/03/2018   06:36:13   (   0.17,-134.84) (  -0.16,-136.43)  180.92                80
 06/04/2018   06:12:52   (   0.18,-134.80) (   0.93,-131.43)  383.59                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.07,-136.00)  138.58                80
 06/06/2018   18:11:03   (  -0.19,-134.73) (  -1.02,-131.00)  425.57                80
 06/08/2018   06:32:41   (   0.18,-134.62) (  -0.04,-135.59)  110.26                80
 06/09/2018   06:09:21   (   0.19,-134.57) (   1.05,-130.59)  453.60                80
 06/10/2018   18:30:52   (  -0.18,-134.54) (  -0.05,-135.15)   69.54                80
 06/11/2018   18:07:32   (  -0.19,-134.49) (  -1.15,-130.15)  493.69                80
 06/13/2018   06:29:10   (   0.17,-134.36) (   0.09,-134.74)   43.64                80