Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2023   19:05:53   (   0.03, -75.20) (  -0.02, -75.34)   16.48                80
 06/05/2023   18:50:11   (   0.03, -75.20) (   1.02, -70.89)  491.43                80
 06/07/2023   07:09:53   (  -0.03, -75.21) (   0.23, -76.27)  121.48                80
 06/08/2023   06:54:11   (  -0.03, -75.21) (  -0.81, -71.83)  386.59                80
 06/09/2023   19:14:01   (   0.04, -75.22) (  -0.40, -77.24)  230.16                80
 06/10/2023   18:58:19   (   0.03, -75.23) (   0.60, -72.79)  278.57                80
 06/12/2023   07:18:01   (  -0.04, -75.25) (   0.61, -78.17)  332.66                80
 06/13/2023   07:02:19   (  -0.04, -75.27) (  -0.39, -73.72)  176.39                80
 06/14/2023   19:22:09   (   0.05, -75.29) (  -0.80, -79.14)  439.13                80
 06/15/2023   19:06:27   (   0.05, -75.30) (   0.19, -74.69)   70.23                80