Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 29.  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)
 05/30/2018   06:19:03   (   0.17,-135.00) (   0.76,-132.27)  310.77                80
 05/31/2018   18:37:54   (  -0.17,-134.98) (   0.23,-136.84)  210.73                80
 06/01/2018   18:14:33   (  -0.18,-134.94) (  -0.86,-131.84)  354.01                80
 06/03/2018   06:36:13   (   0.17,-134.84) (  -0.15,-136.43)  180.74                80
 06/04/2018   06:12:52   (   0.18,-134.80) (   0.94,-131.43)  383.82                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.11,-135.99)  138.49                80
 06/06/2018   18:11:03   (  -0.19,-134.73) (  -1.04,-131.00)  425.69                80
 06/08/2018   06:32:41   (   0.18,-134.62) (  -0.03,-135.59)  109.84                80
 06/09/2018   06:09:21   (   0.19,-134.58) (   1.07,-130.59)  454.06                80
 06/10/2018   18:30:52   (  -0.18,-134.54) (  -0.07,-135.16)   69.31                80
 06/11/2018   18:07:32   (  -0.19,-134.49) (  -1.16,-130.16)  494.04                80