Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 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)
 10/07/2018   06:24:57   (   0.30,-135.61) (   0.48,-134.76)   96.31                80
 10/08/2018   18:43:49   (  -0.31,-135.67) (   0.50,-139.33)  417.04                80
 10/09/2018   18:25:50   (  -0.31,-135.67) (  -0.61,-134.33)  152.42                80
 10/11/2018   06:44:49   (   0.32,-135.60) (  -0.43,-138.92)  378.51                80
 10/12/2018   06:21:30   (   0.31,-135.59) (   0.69,-133.93)  190.08                80
 10/13/2018   18:40:22   (  -0.32,-135.64) (   0.30,-138.49)  324.75                80
 10/14/2018   18:22:22   (  -0.31,-135.63) (  -0.76,-133.49)  244.05                80
 10/16/2018   06:41:21   (   0.31,-135.56) (  -0.27,-138.08)  287.21                80
 10/17/2018   06:18:01   (   0.30,-135.55) (   0.85,-133.08)  280.64                80
 10/18/2018   18:36:54   (  -0.31,-135.58) (   0.14,-137.65)  235.82                80
 10/19/2018   18:18:54   (  -0.30,-135.57) (  -0.98,-132.66)  332.32                80