Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 9 2.  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)
 09/03/2018   06:28:40   (   0.18,-134.91) (   0.05,-135.55)   72.96                80
 09/05/2018   18:26:50   (  -0.19,-135.10) (  -0.18,-135.13)    3.29                80
 09/08/2018   06:27:49   (   0.21,-135.11) (   0.29,-134.73)   42.62                80
 09/09/2018   18:43:59   (  -0.24,-135.24) (   0.69,-139.30)  463.20                80
 09/10/2018   18:25:58   (  -0.22,-135.28) (  -0.42,-134.30)  110.50                80
 09/12/2018   06:42:18   (   0.25,-135.25) (  -0.58,-138.90)  416.82                80
 09/13/2018   06:24:17   (   0.23,-135.28) (   0.54,-133.91)  156.23                80
 09/14/2018   18:40:28   (  -0.26,-135.40) (   0.45,-138.48)  350.66                80
 09/15/2018   18:22:27   (  -0.24,-135.43) (  -0.66,-133.48)  222.51                80