Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 6.  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)
 11/07/2017   18:24:56   (  -0.24,-134.51) (  -0.28,-134.23)   30.50                80
 11/10/2017   06:20:34   (   0.23,-134.35) (   0.35,-133.83)   58.70                80
 11/11/2017   18:39:23   (  -0.22,-134.29) (   0.67,-138.39)  466.83                80
 11/12/2017   18:21:22   (  -0.23,-134.24) (  -0.39,-133.38)   97.10                80
 11/14/2017   06:40:20   (   0.22,-134.14) (  -0.66,-137.97)  437.47                80
 11/15/2017   06:16:59   (   0.22,-134.08) (   0.47,-132.98)  125.39                80
 11/16/2017   18:35:49   (  -0.22,-134.01) (   0.55,-137.54)  401.50                80
 11/17/2017   18:17:47   (  -0.22,-133.96) (  -0.52,-132.53)  161.93                80
 11/19/2017   06:36:46   (   0.21,-133.85) (  -0.53,-137.12)  372.61                80
 11/20/2017   06:13:25   (   0.21,-133.79) (   0.60,-132.13)  189.61                80