Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 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)
 10/04/2018   18:29:18   (  -0.30,-135.68) (  -0.44,-135.17)   58.42                80
 10/06/2018   06:48:17   (   0.31,-135.61) (  -0.62,-139.76)  472.86                80
 10/07/2018   06:26:11   (   0.30,-135.61) (   0.50,-134.76)   96.29                 7
 10/08/2018   18:43:50   (  -0.31,-135.67) (   0.48,-139.33)  416.82                80
 10/09/2018   18:25:49   (  -0.31,-135.67) (  -0.58,-134.32)  152.71                80
 10/11/2018   06:44:50   (   0.32,-135.60) (  -0.41,-138.92)  378.42                80
 10/12/2018   06:21:29   (   0.31,-135.59) (   0.65,-133.92)  190.22                80
 10/13/2018   18:40:22   (  -0.32,-135.64) (   0.34,-138.49)  324.40                80
 10/14/2018   18:22:22   (  -0.31,-135.64) (  -0.78,-133.49)  244.41                80
 10/16/2018   06:41:21   (   0.31,-135.56) (  -0.26,-138.08)  286.97                80
 10/17/2018   06:18:02   (   0.30,-135.55) (   0.87,-133.09)  280.89                80