Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 10 7.  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)
 10/08/2018   18:43:49   (  -0.31,-135.67) (   0.53,-139.32)  417.30                80
 10/09/2018   18:25:50   (  -0.31,-135.66) (  -0.59,-134.33)  152.12                80
 10/11/2018   06:44:50   (   0.32,-135.60) (  -0.40,-138.93)  378.77                80
 10/12/2018   06:21:29   (   0.31,-135.59) (   0.66,-133.92)  189.77                80
 10/13/2018   18:40:22   (  -0.32,-135.63) (   0.32,-138.49)  325.29                80
 10/14/2018   18:22:22   (  -0.31,-135.63) (  -0.80,-133.49)  243.44                80
 10/16/2018   06:41:22   (   0.31,-135.56) (  -0.24,-138.08)  287.74                80
 10/17/2018   06:18:01   (   0.30,-135.54) (   0.83,-133.08)  280.05                80
 10/18/2018   18:36:53   (  -0.31,-135.57) (   0.16,-137.64)  236.65                80
 10/19/2018   18:18:54   (  -0.30,-135.56) (  -0.96,-132.65)  331.42                80
 10/21/2018   06:37:53   (   0.31,-135.49) (  -0.07,-137.24)  199.88                80