Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 27.  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)
 09/28/2017   06:11:07   (   0.24,-135.39) (   1.11,-131.40)  453.07                80
 09/29/2017   18:29:58   (  -0.26,-135.45) (  -0.14,-135.98)   60.64                80
 10/02/2017   06:30:56   (   0.26,-135.40) (   0.20,-135.57)   20.66                80
 10/04/2017   18:29:07   (  -0.27,-135.43) (  -0.34,-135.15)   32.81                80
 10/06/2017   06:48:05   (   0.28,-135.39) (  -0.70,-139.74)  496.20                80
 10/07/2017   06:24:45   (   0.27,-135.37) (   0.41,-134.74)   71.89                80
 10/08/2017   18:43:35   (  -0.28,-135.39) (   0.62,-139.30)  446.19                80
 10/09/2017   18:25:34   (  -0.27,-135.38) (  -0.49,-134.30)  122.19                80
 10/11/2017   06:44:34   (   0.28,-135.33) (  -0.49,-138.91)  407.52                80