Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2015   06:20:29   (   0.11,-135.10) (   0.54,-133.08)  229.07                80
 06/01/2015   18:39:20   (  -0.11,-135.05) (   0.45,-137.65)  295.89                80
 06/02/2015   18:21:20   (  -0.11,-135.02) (  -0.64,-132.65)  269.64                80
 06/04/2015   06:40:19   (   0.11,-134.96) (  -0.38,-137.25)  259.73                80
 06/05/2015   06:16:59   (   0.12,-134.92) (   0.71,-132.25)  305.11                80
 06/06/2015   18:38:29   (  -0.12,-134.86) (   0.32,-136.80)  221.38                80
 06/07/2015   18:17:49   (  -0.12,-134.82) (  -0.77,-131.80)  343.26                80
 06/09/2015   06:36:48   (   0.12,-134.76) (  -0.25,-136.40)  187.06                80
 06/10/2015   06:13:27   (   0.13,-134.71) (   0.84,-131.40)  377.17                80
 06/11/2015   18:34:58   (  -0.12,-134.64) (   0.19,-135.96)  150.23                80
 06/12/2015   18:11:37   (  -0.13,-134.59) (  -0.91,-130.96)  413.83                80