Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 21.  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) (  -0.21,-127.68)   39.33                80
 04/22/2020   18:18:55   (   0.27,-128.10) (   1.19,-132.25)  472.34                80
 04/23/2020   18:00:56   (   0.26,-128.13) (   0.09,-127.25)   99.08                80
 04/25/2020   06:19:57   (  -0.26,-128.12) (  -1.08,-131.86)  425.74                80
 04/26/2020   05:56:38   (  -0.26,-128.13) (   0.02,-126.86)  144.90                80
 04/27/2020   18:15:30   (   0.26,-128.19) (   0.96,-131.43)  368.40                80
 04/28/2020   17:57:31   (   0.25,-128.21) (  -0.15,-126.43)  202.02                80
 04/30/2020   06:16:31   (  -0.25,-128.19) (  -0.90,-131.03)  324.11                80
 05/01/2020   05:53:12   (  -0.25,-128.20) (   0.26,-126.04)  245.76                80
 05/02/2020   18:12:04   (   0.24,-128.24) (   0.77,-130.60)  268.80                80
 05/03/2020   17:54:04   (   0.24,-128.25) (  -0.33,-125.61)  301.22                80