Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 6 9.  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)
 06/09/2015   06:36:48   (   0.12,-134.76) (  -0.22,-136.40)  186.90                80
 06/10/2015   06:13:28   (   0.12,-134.71) (   0.88,-131.40)  377.35                80
 06/11/2015   18:34:57   (  -0.12,-134.64) (   0.20,-135.95)  149.61                80
 06/12/2015   18:11:38   (  -0.12,-134.60) (  -0.96,-130.96)  414.48                80
 06/14/2015   06:33:16   (   0.11,-134.52) (  -0.12,-135.55)  117.01                80
 06/15/2015   06:09:56   (   0.12,-134.47) (   0.99,-130.55)  446.52                80
 06/16/2015   18:31:26   (  -0.11,-134.39) (   0.02,-135.11)   81.49                80
 06/17/2015   18:08:05   (  -0.13,-134.34) (  -1.08,-130.11)  481.93                80
 06/19/2015   06:29:44   (   0.12,-134.26) (   0.02,-134.70)   50.20                80
 06/21/2015   18:27:52   (  -0.12,-134.12) (  -0.07,-134.25)   15.87                80