Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 9 26.  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)
 09/27/2017   06:34:27   (   0.26,-135.39) (   0.00,-136.40)  116.55                80
 09/28/2017   06:11:07   (   0.24,-135.39) (   1.11,-131.41)  453.11                80
 09/29/2017   18:29:58   (  -0.26,-135.45) (  -0.14,-135.98)   60.65                80
 10/02/2017   06:30:56   (   0.26,-135.40) (   0.20,-135.57)   20.59                80
 10/04/2017   18:29:07   (  -0.27,-135.43) (  -0.34,-135.15)   32.83                80
 10/06/2017   06:48:05   (   0.28,-135.39) (  -0.70,-139.74)  496.12                80
 10/07/2017   06:24:45   (   0.27,-135.37) (   0.41,-134.74)   71.97                80
 10/08/2017   18:43:35   (  -0.28,-135.39) (   0.62,-139.30)  446.16                80
 10/09/2017   18:25:34   (  -0.27,-135.38) (  -0.49,-134.30)  122.23                80