Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 12.  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)
 05/13/2015   18:32:39   (  -0.09,-135.40) (   0.03,-136.00)   67.34                80
 05/16/2015   06:33:39   (   0.09,-135.38) (   0.07,-135.60)   24.74                80
 05/18/2015   18:31:50   (  -0.09,-135.33) (  -0.13,-135.16)   19.58                80
 05/21/2015   06:27:29   (   0.10,-135.30) (   0.19,-134.76)   61.12                80
 05/22/2015   18:46:20   (  -0.10,-135.26) (   0.81,-139.32)  463.34                80
 05/23/2015   18:28:20   (  -0.11,-135.24) (  -0.28,-134.32)  103.74                80
 05/25/2015   06:47:19   (   0.11,-135.22) (  -0.73,-138.92)  421.97                80
 05/26/2015   06:23:59   (   0.11,-135.19) (   0.36,-133.92)  144.63                80