Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 30.  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)
 10/02/2017   06:30:56   (   0.26,-135.40) (   0.23,-135.58)   20.52                80
 10/04/2017   18:29:06   (  -0.27,-135.44) (  -0.31,-135.14)   33.26                80
 10/06/2017   06:48:05   (   0.28,-135.39) (  -0.68,-139.74)  496.14                80
 10/07/2017   06:24:45   (   0.27,-135.37) (   0.43,-134.75)   72.01                80
 10/08/2017   18:43:35   (  -0.28,-135.39) (   0.59,-139.31)  445.80                80
 10/09/2017   18:25:35   (  -0.27,-135.38) (  -0.52,-134.31)  122.59                80
 10/11/2017   06:44:33   (   0.28,-135.33) (  -0.52,-138.90)  407.35                80
 10/12/2017   06:21:13   (   0.27,-135.30) (   0.59,-133.90)  159.75                80
 10/13/2017   18:40:03   (  -0.27,-135.31) (   0.43,-138.47)  360.10                80