Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 4.  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)
 11/04/2017   18:39:22   (  -0.25,-134.65) (   0.41,-137.58)  334.20                80
 11/05/2017   18:21:23   (  -0.25,-134.61) (  -0.70,-132.58)  230.37                80
 11/07/2017   06:40:22   (   0.24,-134.51) (  -0.37,-137.17)  303.80                80
 11/08/2017   06:17:03   (   0.24,-134.45) (   0.73,-132.17)  259.47                80
 11/09/2017   18:35:54   (  -0.23,-134.39) (   0.31,-136.72)  266.24                80
 11/10/2017   18:17:55   (  -0.23,-134.34) (  -0.80,-131.73)  297.62                80
 11/12/2017   06:36:55   (   0.22,-134.24) (  -0.22,-136.32)  236.48                80
 11/13/2017   06:13:35   (   0.23,-134.19) (   0.89,-131.33)  326.37                80
 11/14/2017   18:32:27   (  -0.22,-134.12) (   0.15,-135.88)  200.62                80
 11/15/2017   18:14:26   (  -0.22,-134.06) (  -0.91,-130.87)  362.91                80
 11/17/2017   06:33:27   (   0.22,-133.97) (  -0.11,-135.47)  170.94                80