Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 8.  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)
 09/09/2018   18:43:59   (  -0.24,-135.24) (   0.67,-139.30)  462.69                80
 09/10/2018   18:25:59   (  -0.22,-135.28) (  -0.44,-134.31)  111.09                80
 09/12/2018   06:42:18   (   0.25,-135.26) (  -0.56,-138.91)  415.88                80
 09/13/2018   06:24:18   (   0.23,-135.29) (   0.56,-133.91)  157.30                80
 09/14/2018   18:40:28   (  -0.25,-135.41) (   0.43,-138.48)  349.63                80
 09/15/2018   18:22:28   (  -0.23,-135.44) (  -0.69,-133.48)  223.61                80
 09/17/2018   06:38:47   (   0.26,-135.42) (  -0.31,-138.09)  303.78                80
 09/18/2018   06:20:45   (   0.24,-135.44) (   0.75,-133.08)  268.67                80
 09/19/2018   18:36:57   (  -0.26,-135.55) (   0.18,-137.66)  239.84                80
 09/20/2018   18:18:55   (  -0.25,-135.57) (  -0.88,-132.65)  332.70                80
 09/22/2018   06:35:14   (   0.27,-135.54) (  -0.11,-137.25)  195.03                80