Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 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)
 06/01/2018   18:14:33   (  -0.18,-134.95) (  -0.86,-131.84)  354.16                80
 06/03/2018   06:36:12   (   0.17,-134.84) (  -0.21,-136.42)  181.02                80
 06/04/2018   06:12:52   (   0.18,-134.80) (   0.94,-131.43)  383.49                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.11,-135.99)  138.55                80
 06/06/2018   18:11:03   (  -0.19,-134.73) (  -1.04,-131.00)  425.56                80
 06/08/2018   06:32:41   (   0.18,-134.62) (  -0.02,-135.59)  110.44                80
 06/09/2018   06:09:21   (   0.19,-134.57) (   1.07,-130.59)  453.41                80
 06/10/2018   18:30:51   (  -0.18,-134.54) (  -0.02,-135.14)   69.65                80
 06/11/2018   18:07:32   (  -0.19,-134.49) (  -1.17,-130.16)  493.61                80
 06/13/2018   06:29:10   (   0.17,-134.35) (   0.11,-134.75)   43.96                80