Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2023   18:50:11   (   0.03, -75.19) (   1.02, -70.89)  490.08                80
 06/07/2023   07:09:53   (  -0.03, -75.18) (   0.24, -76.27)  123.89                80
 06/08/2023   06:54:11   (  -0.03, -75.18) (  -0.81, -71.82)  383.38                80
 06/09/2023   19:14:00   (   0.03, -75.18) (  -0.46, -77.23)  234.60                80
 06/10/2023   18:58:19   (   0.03, -75.18) (   0.59, -72.79)  273.36                80
 06/12/2023   07:18:01   (  -0.03, -75.19) (   0.61, -78.17)  338.97                80
 06/13/2023   07:02:19   (  -0.03, -75.20) (  -0.38, -73.72)  169.32                80
 06/14/2023   19:22:08   (   0.04, -75.21) (  -0.87, -79.13)  447.47                80
 06/15/2023   19:06:27   (   0.04, -75.22) (   0.19, -74.69)   61.15                80
 06/18/2023   07:07:46   (  -0.05, -75.25) (   0.02, -75.62)   41.59                80