Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2017 11 1.  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)
 11/02/2017   06:43:51   (   0.25,-134.73) (  -0.46,-138.02)  374.53                80
 11/03/2017   06:20:31   (   0.25,-134.69) (   0.65,-133.03)  189.62                80
 11/04/2017   18:39:22   (  -0.25,-134.64) (   0.41,-137.58)  334.75                80
 11/05/2017   18:21:23   (  -0.25,-134.60) (  -0.70,-132.58)  229.70                80
 11/07/2017   06:40:22   (   0.24,-134.50) (  -0.38,-137.17)  304.03                80
 11/08/2017   06:17:03   (   0.24,-134.45) (   0.73,-132.17)  259.12                80
 11/09/2017   18:35:54   (  -0.23,-134.38) (   0.31,-136.72)  267.39                80
 11/10/2017   18:17:55   (  -0.23,-134.33) (  -0.80,-131.73)  296.35                80
 11/12/2017   06:36:55   (   0.23,-134.24) (  -0.22,-136.32)  237.30                80
 11/13/2017   06:13:35   (   0.23,-134.18) (   0.89,-131.33)  325.42                80
 11/14/2017   18:32:27   (  -0.22,-134.10) (   0.15,-135.88)  202.38                80
 11/15/2017   18:14:26   (  -0.22,-134.05) (  -0.90,-130.87)  361.02                80