Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 5 29.  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)
 05/30/2015   06:43:49   (   0.11,-135.15) (  -0.58,-138.08)  334.55                80
 05/31/2015   06:20:30   (   0.11,-135.12) (   0.57,-133.09)  231.54                80
 06/01/2015   18:39:20   (  -0.11,-135.07) (   0.47,-137.64)  293.81                80
 06/02/2015   18:21:20   (  -0.11,-135.04) (  -0.62,-132.64)  271.89                80
 06/04/2015   06:40:19   (   0.11,-134.99) (  -0.40,-137.24)  256.60                80
 06/05/2015   06:16:59   (   0.12,-134.95) (   0.74,-132.25)  308.40                80
 06/06/2015   18:38:30   (  -0.12,-134.89) (   0.29,-136.81)  218.54                80
 06/07/2015   18:17:49   (  -0.12,-134.85) (  -0.80,-131.81)  346.27                80
 06/09/2015   06:36:48   (   0.12,-134.79) (  -0.22,-136.41)  183.15                80
 06/10/2015   06:13:28   (   0.13,-134.75) (   0.88,-131.41)  381.24                80
 06/11/2015   18:34:58   (  -0.12,-134.67) (   0.15,-135.96)  146.60                80