Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 17.  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)
 05/18/2015   18:31:50   (  -0.09,-135.35) (  -0.12,-135.16)   22.15                80
 05/21/2015   06:27:30   (   0.10,-135.32) (   0.24,-134.76)   63.44                80
 05/22/2015   18:46:20   (  -0.10,-135.28) (   0.82,-139.32)  460.32                80
 05/23/2015   18:28:21   (  -0.11,-135.27) (  -0.32,-134.33)  106.81                80
 05/25/2015   06:47:20   (   0.11,-135.24) (  -0.70,-138.93)  419.20                80
 05/26/2015   06:23:59   (   0.11,-135.22) (   0.39,-133.92)  147.48                80
 05/27/2015   18:42:50   (  -0.11,-135.18) (   0.66,-138.48)  377.07                80
 05/28/2015   18:24:50   (  -0.11,-135.15) (  -0.50,-133.49)  189.63                80
 05/30/2015   06:43:49   (   0.11,-135.13) (  -0.57,-138.08)  336.98                80
 05/31/2015   06:20:29   (   0.11,-135.10) (   0.58,-133.09)  229.03                80