Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 11.  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)
 09/12/2018   06:42:18   (   0.25,-135.25) (  -0.54,-138.91)  416.17                80
 09/13/2018   06:24:17   (   0.23,-135.28) (   0.51,-133.90)  156.86                80
 09/14/2018   18:40:28   (  -0.25,-135.40) (   0.41,-138.48)  350.48                80
 09/15/2018   18:22:27   (  -0.23,-135.43) (  -0.64,-133.47)  222.64                80
 09/17/2018   06:38:46   (   0.26,-135.41) (  -0.35,-138.08)  304.78                80
 09/18/2018   06:20:46   (   0.24,-135.43) (   0.77,-133.08)  267.49                80
 09/19/2018   18:36:56   (  -0.26,-135.53) (   0.22,-137.65)  241.41                80
 09/20/2018   18:18:55   (  -0.25,-135.56) (  -0.90,-132.65)  330.97                80
 09/22/2018   06:35:14   (   0.27,-135.53) (  -0.14,-137.25)  196.80                80
 09/23/2018   06:17:13   (   0.26,-135.54) (   0.98,-132.25)  374.82                80
 09/24/2018   18:33:25   (  -0.28,-135.63) (  -0.04,-136.83)  135.50                80