Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2023   07:31:11   (   0.06, -75.20) (   1.03, -79.55)  495.25                80
 09/02/2023   07:10:07   (   0.06, -75.21) (   0.06, -75.08)   13.75                80
 09/04/2023   19:14:12   (  -0.06, -75.22) (  -0.25, -76.03)   93.06                80
 09/05/2023   18:58:28   (  -0.06, -75.23) (   0.78, -71.58)  416.12                80
 09/07/2023   07:20:47   (   0.05, -75.24) (   0.45, -76.95)  194.51                80
 09/08/2023   06:59:43   (   0.05, -75.25) (  -0.58, -72.49)  314.80                80
 09/09/2023   19:22:11   (  -0.04, -75.27) (  -0.63, -77.90)  300.02                80
 09/10/2023   19:06:27   (  -0.04, -75.28) (   0.35, -73.44)  209.79                80
 09/12/2023   07:28:46   (   0.02, -75.31) (   0.82, -78.81)  399.60                80
 09/13/2023   07:07:43   (   0.02, -75.33) (  -0.22, -74.36)  110.68                80