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)
 11/30/2018   06:10:22   (   0.21,-128.44) (  -0.21,-130.22)  202.94                80
 12/01/2018   05:47:04   (   0.22,-128.46) (   0.96,-125.24)  367.44                80
 12/02/2018   18:05:57   (  -0.21,-128.50) (   0.05,-129.80)  146.80                80
 12/03/2018   17:47:59   (  -0.21,-128.53) (  -1.06,-124.80)  424.50                80
 12/05/2018   06:07:00   (   0.20,-128.54) (  -0.01,-129.39)   97.74                80
 12/06/2018   05:43:43   (   0.21,-128.55) (   1.16,-124.41)  472.19                80
 12/07/2018   18:02:35   (  -0.19,-128.58) (  -0.10,-128.96)   43.64                80
 12/10/2018   06:00:59   (   0.18,-128.61) (   0.20,-128.57)    4.97                80
 12/12/2018   18:01:54   (  -0.17,-128.63) (  -0.31,-128.14)   57.00                80