Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 9 23.  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)
 09/24/2020   18:13:42   (   0.07,-128.34) (   0.56,-130.54)  250.91                80
 09/25/2020   17:50:24   (   0.06,-128.35) (  -0.57,-125.55)  319.28                80
 09/27/2020   06:12:05   (  -0.08,-128.42) (  -0.48,-130.14)  197.43                80
 09/28/2020   05:48:47   (  -0.07,-128.42) (   0.65,-125.15)  372.48                80
 09/29/2020   18:10:19   (   0.08,-128.39) (   0.36,-129.71)  150.21                80
 09/30/2020   17:47:00   (   0.07,-128.40) (  -0.77,-124.73)  419.79                80
 10/02/2020   06:08:42   (  -0.08,-128.47) (  -0.27,-129.32)   97.01                80
 10/03/2020   05:45:23   (  -0.07,-128.47) (   0.86,-124.33)  472.62                80
 10/04/2020   18:06:55   (   0.09,-128.43) (   0.21,-128.88)   50.92                80
 10/07/2020   06:05:17   (  -0.10,-128.49) (  -0.11,-128.48)    2.11                80