Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 22.  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)
 04/22/2020   18:18:55   (   0.27,-128.10) (   1.21,-132.24)  472.35                80
 04/23/2020   18:00:57   (   0.27,-128.12) (   0.05,-127.26)   99.08                80
 04/25/2020   06:19:57   (  -0.26,-128.12) (  -1.10,-131.85)  425.66                80
 04/26/2020   05:56:37   (  -0.26,-128.13) (   0.00,-126.86)  144.99                80
 04/27/2020   18:15:30   (   0.26,-128.19) (   0.97,-131.43)  368.42                80
 04/28/2020   17:57:30   (   0.25,-128.21) (  -0.13,-126.43)  202.01                80
 04/30/2020   06:16:32   (  -0.25,-128.19) (  -0.86,-131.04)  324.05                80
 05/01/2020   05:53:12   (  -0.25,-128.20) (   0.24,-126.04)  245.81                80
 05/02/2020   18:12:03   (   0.24,-128.24) (   0.79,-130.60)  268.84                80
 05/03/2020   17:54:05   (   0.24,-128.25) (  -0.37,-125.62)  301.20                80
 05/05/2020   06:13:05   (  -0.24,-128.23) (  -0.68,-130.21)  225.24                80