Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 10 21.  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)
 10/21/2016   18:28:26   (  -0.29,-134.69) (  -0.21,-135.15)   52.27                80
 10/24/2016   06:29:25   (   0.29,-134.52) (   0.22,-134.73)   24.85                80
 10/26/2016   18:27:37   (  -0.28,-134.45) (  -0.30,-134.29)   17.39                80
 10/29/2016   06:23:18   (   0.28,-134.27) (   0.37,-133.88)   44.27                80
 10/30/2016   18:42:09   (  -0.28,-134.24) (   0.65,-138.44)  479.09                80
 10/31/2016   18:24:10   (  -0.28,-134.18) (  -0.46,-133.44)   84.52                80
 11/02/2016   06:43:09   (   0.27,-134.06) (  -0.64,-138.02)  452.55                80
 11/03/2016   06:19:50   (   0.27,-134.00) (   0.47,-133.02)  110.19                80