Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 19.  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)
 11/20/2018   06:17:05   (   0.25,-128.20) (  -0.56,-131.88)  419.11                80
 11/21/2018   05:53:46   (   0.25,-128.22) (   0.54,-126.89)  152.25                80
 11/22/2018   18:12:40   (  -0.24,-128.29) (   0.48,-131.44)  360.51                80
 11/23/2018   17:54:42   (  -0.25,-128.31) (  -0.68,-126.46)  211.53                80
 11/25/2018   06:13:43   (   0.24,-128.33) (  -0.37,-131.05)  310.13                80
 11/26/2018   05:50:25   (   0.24,-128.34) (   0.73,-126.06)  260.27                80
 11/27/2018   18:09:18   (  -0.22,-128.38) (   0.29,-130.62)  254.81                80
 11/28/2018   17:51:20   (  -0.23,-128.40) (  -0.82,-125.62)  316.45                80
 11/30/2018   06:10:22   (   0.21,-128.42) (  -0.18,-130.22)  205.06                80
 12/01/2018   05:47:04   (   0.22,-128.43) (   0.93,-125.23)  364.90                80
 12/02/2018   18:05:57   (  -0.21,-128.46) (   0.09,-129.79)  151.59                80