Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 28.  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)
 09/29/2017   18:29:58   (  -0.26,-135.45) (  -0.13,-135.98)   60.54                80
 10/02/2017   06:28:16   (   0.26,-135.40) (   0.20,-135.57)   20.71                80
 10/04/2017   18:29:07   (  -0.27,-135.43) (  -0.34,-135.15)   32.95                80
 10/06/2017   06:48:05   (   0.28,-135.39) (  -0.70,-139.74)  496.17                80
 10/07/2017   06:24:45   (   0.27,-135.37) (   0.40,-134.74)   71.93                80
 10/08/2017   18:43:35   (  -0.28,-135.39) (   0.62,-139.30)  446.03                80
 10/09/2017   18:25:34   (  -0.27,-135.38) (  -0.49,-134.30)  122.37                80
 10/11/2017   06:44:34   (   0.28,-135.33) (  -0.49,-138.91)  407.45                80
 10/12/2017   06:21:12   (   0.27,-135.30) (   0.56,-133.90)  159.66                80