Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/28/2020   18:35:37   (   0.00, -75.20) (  -0.33, -76.62)  162.00                80
 05/29/2020   18:19:22   (   0.00, -75.21) (   0.73, -72.05)  360.45                80
 05/31/2020   06:40:51   (  -0.00, -75.21) (   0.46, -77.23)  230.52                80
 06/01/2020   06:19:15   (  -0.00, -75.22) (  -0.60, -72.66)  292.15                80
 06/02/2020   18:40:54   (   0.00, -75.24) (  -0.62, -77.88)  302.20                80
 06/03/2020   18:24:38   (   0.00, -75.25) (   0.44, -73.31)  220.87                80
 06/05/2020   06:46:08   (  -0.00, -75.26) (   0.74, -78.50)  369.06                80
 06/06/2020   06:24:32   (  -0.00, -75.28) (  -0.32, -73.93)  154.16                80
 06/07/2020   18:46:10   (  -0.00, -75.30) (  -0.90, -79.15)  439.56                80
 06/08/2020   18:29:55   (  -0.01, -75.31) (   0.17, -74.57)   84.24                80