Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 30.  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)
 12/01/2018   05:47:04   (   0.22,-128.46) (   0.97,-125.24)  367.46                80
 12/02/2018   18:05:57   (  -0.21,-128.50) (   0.10,-129.79)  146.85                80
 12/03/2018   17:47:59   (  -0.21,-128.53) (  -1.07,-124.81)  424.41                80
 12/05/2018   06:07:00   (   0.20,-128.54) (   0.00,-129.39)   97.83                80
 12/06/2018   05:43:42   (   0.21,-128.55) (   1.11,-124.40)  472.07                80
 12/07/2018   18:02:35   (  -0.19,-128.58) (  -0.11,-128.96)   43.80                80
 12/10/2018   06:00:59   (   0.18,-128.60) (   0.21,-128.57)    5.21                80
 12/12/2018   18:01:53   (  -0.17,-128.63) (  -0.26,-128.13)   56.65                80
 12/14/2018   06:20:55   (   0.15,-128.65) (  -0.74,-132.73)  464.05                80