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   18:29:17   (  -0.29,-135.68) (  -0.39,-135.16)   58.30                80
 10/06/2018   06:48:17   (   0.31,-135.61) (  -0.60,-139.76)  472.85                80
 10/07/2018   06:27:38   (   0.30,-135.61) (   0.52,-134.77)   96.34                80
 10/08/2018   18:43:49   (  -0.31,-135.67) (   0.52,-139.32)  416.85                80
 10/09/2018   18:25:50   (  -0.31,-135.67) (  -0.60,-134.33)  152.65                80
 10/11/2018   06:44:50   (   0.32,-135.60) (  -0.39,-138.93)  378.40                80
 10/12/2018   06:21:30   (   0.31,-135.59) (   0.67,-133.92)  190.24                80
 10/13/2018   18:40:22   (  -0.32,-135.64) (   0.32,-138.49)  324.39                80
 10/14/2018   18:22:22   (  -0.31,-135.64) (  -0.80,-133.50)  244.44                80
 10/16/2018   06:41:22   (   0.31,-135.56) (  -0.24,-138.08)  286.90                80
 10/17/2018   06:18:01   (   0.30,-135.55) (   0.83,-133.08)  280.98                80