Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 18.  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)
 04/21/2020   06:00:03   (  -0.27,-128.03) (  -0.22,-127.68)   39.32                80
 04/22/2020   18:18:55   (   0.27,-128.10) (   1.20,-132.25)  472.20                80
 04/23/2020   18:00:57   (   0.26,-128.13) (   0.04,-127.26)   99.29                80
 04/25/2020   06:19:57   (  -0.26,-128.12) (  -1.09,-131.86)  425.63                80
 04/26/2020   05:56:38   (  -0.26,-128.13) (   0.01,-126.86)  145.05                80
 04/27/2020   18:15:30   (   0.26,-128.20) (   0.97,-131.43)  368.03                80
 04/28/2020   17:57:30   (   0.25,-128.21) (  -0.14,-126.43)  202.43                80
 04/30/2020   06:16:31   (  -0.25,-128.19) (  -0.91,-131.02)  323.79                80
 05/01/2020   05:53:12   (  -0.25,-128.20) (   0.25,-126.04)  246.12                80
 05/02/2020   18:12:03   (   0.24,-128.25) (   0.78,-130.60)  268.24                80