Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 4.  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) (  -0.01, -75.34)   16.08                80
 06/05/2023   18:50:11   (   0.03, -75.20) (   0.98, -70.88)  491.72                80
 06/07/2023   07:09:53   (  -0.03, -75.21) (   0.22, -76.27)  121.10                80
 06/08/2023   06:54:11   (  -0.03, -75.22) (  -0.82, -71.83)  387.01                80
 06/09/2023   19:14:01   (   0.03, -75.22) (  -0.45, -77.23)  229.57                80
 06/10/2023   18:58:19   (   0.03, -75.23) (   0.61, -72.79)  279.23                80
 06/12/2023   07:18:01   (  -0.03, -75.26) (   0.66, -78.16)  331.96                80
 06/13/2023   07:02:19   (  -0.03, -75.27) (  -0.39, -73.72)  177.16                80
 06/14/2023   19:22:08   (   0.04, -75.29) (  -0.86, -79.13)  438.24                80
 06/15/2023   19:06:27   (   0.04, -75.31) (   0.20, -74.69)   71.20                80