Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 31.  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)
 06/01/2015   18:39:20   (  -0.11,-135.05) (   0.46,-137.65)  295.79                80
 06/02/2015   18:21:20   (  -0.11,-135.02) (  -0.63,-132.65)  269.74                80
 06/04/2015   06:40:19   (   0.11,-134.96) (  -0.39,-137.24)  259.59                80
 06/05/2015   06:16:58   (   0.12,-134.92) (   0.70,-132.24)  305.26                80
 06/06/2015   18:38:29   (  -0.12,-134.86) (   0.33,-136.80)  221.20                80
 06/07/2015   18:17:07   (  -0.12,-134.82) (  -0.77,-131.80)  343.47                39
 06/09/2015   06:36:48   (   0.12,-134.76) (  -0.24,-136.40)  186.79                80
 06/10/2015   06:13:27   (   0.13,-134.71) (   0.86,-131.40)  377.47                80
 06/11/2015   18:34:57   (  -0.12,-134.64) (   0.16,-135.96)  149.86                80
 06/12/2015   18:11:37   (  -0.13,-134.59) (  -0.94,-130.96)  414.25                80
 06/14/2015   06:33:15   (   0.11,-134.52) (  -0.12,-135.55)  116.74                80