Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2017   06:40:22   (   0.24,-134.50) (  -0.36,-137.17)  303.95                80
 11/08/2017   06:17:03   (   0.24,-134.45) (   0.75,-132.17)  259.35                80
 11/09/2017   18:35:54   (  -0.23,-134.40) (   0.30,-136.73)  265.81                80
 11/10/2017   18:17:55   (  -0.23,-134.35) (  -0.81,-131.73)  298.07                80
 11/12/2017   06:36:54   (   0.22,-134.24) (  -0.26,-136.31)  236.43                80
 11/13/2017   06:13:35   (   0.23,-134.19) (   0.85,-131.32)  326.47                80
 11/14/2017   18:32:26   (  -0.22,-134.12) (   0.19,-135.87)  199.94                80
 11/15/2017   18:14:26   (  -0.22,-134.07) (  -0.92,-130.88)  363.60                80
 11/17/2017   06:33:27   (   0.22,-133.97) (  -0.09,-135.47)  170.68                80
 11/18/2017   06:10:06   (   0.22,-133.91) (   0.96,-130.47)  391.70                80
 11/19/2017   18:28:58   (  -0.21,-133.83) (   0.07,-135.02)  136.40                80