Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 14.  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)
 05/15/2020   06:06:12   (  -0.21,-128.28) (  -0.26,-128.55)   31.29                80
 05/17/2020   18:04:21   (   0.20,-128.32) (   0.17,-128.11)   23.86                80
 05/20/2020   05:59:56   (  -0.20,-128.26) (  -0.09,-127.68)   65.24                80
 05/21/2020   18:18:42   (   0.19,-128.29) (   1.06,-132.23)  448.48                80
 05/22/2020   18:00:39   (   0.19,-128.28) (  -0.07,-127.22)  121.73                80
 05/24/2020   06:19:31   (  -0.18,-128.22) (  -0.99,-131.78)  405.68                80
 05/25/2020   05:56:07   (  -0.18,-128.21) (   0.16,-126.77)  164.34                80
 05/26/2020   18:14:48   (   0.17,-128.22) (   0.86,-131.29)  349.30                80
 05/27/2020   17:56:42   (   0.17,-128.21) (  -0.26,-126.27)  221.23                80