Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 25.  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)
 11/26/2017   06:47:20   (   0.18,-135.22) (  -0.64,-138.86)  415.20                80
 11/27/2017   06:24:01   (   0.18,-135.24) (   0.51,-133.87)  155.83                80
 11/28/2017   18:42:53   (  -0.17,-135.23) (   0.54,-138.43)  364.93                80
 11/29/2017   18:24:54   (  -0.18,-135.25) (  -0.61,-133.44)  206.45                80
 12/01/2017   06:43:55   (   0.17,-135.32) (  -0.46,-138.03)  309.12                80
 12/02/2017   06:20:36   (   0.17,-135.33) (   0.69,-133.05)  260.98                80
 12/03/2017   18:39:27   (  -0.16,-135.30) (   0.36,-137.60)  261.89                80
 12/04/2017   18:21:28   (  -0.16,-135.32) (  -0.74,-132.60)  308.44                80
 12/06/2017   06:40:29   (   0.15,-135.38) (  -0.27,-137.20)  208.03                80
 12/07/2017   06:17:11   (   0.15,-135.38) (   0.88,-132.22)  361.26                80
 12/08/2017   18:36:02   (  -0.14,-135.34) (   0.16,-136.77)  163.26                80
 12/09/2017   18:18:03   (  -0.14,-135.34) (  -0.93,-131.78)  406.56                80