Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2015 9 19.  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)
 09/19/2015   06:25:29   (   0.28,-135.24) (   0.57,-134.01)  140.41                80
 09/20/2015   18:41:41   (  -0.30,-135.30) (   0.43,-138.58)  373.71                80
 09/21/2015   18:23:40   (  -0.29,-135.30) (  -0.65,-133.58)  195.19                80
 09/23/2015   06:39:59   (   0.30,-135.22) (  -0.36,-138.18)  337.14                80
 09/24/2015   06:21:59   (   0.29,-135.21) (   0.72,-133.18)  231.18                80
 09/25/2015   18:38:10   (  -0.31,-135.26) (   0.27,-137.75)  284.30                80
 09/26/2015   18:20:11   (  -0.30,-135.25) (  -0.88,-132.76)  283.79                80
 09/28/2015   06:36:29   (   0.31,-135.17) (  -0.20,-137.35)  249.45                80
 09/29/2015   06:18:30   (   0.30,-135.15) (   0.95,-132.36)  318.16                80
 09/30/2015   18:34:40   (  -0.31,-135.18) (   0.10,-136.92)  198.39                80
 10/01/2015   18:16:40   (  -0.30,-135.17) (  -1.05,-131.93)  369.03                80