Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2023   07:10:07   (   0.06, -75.20) (   0.03, -75.09)   13.35                80
 09/04/2023   19:14:12   (  -0.06, -75.22) (  -0.22, -76.04)   92.85                80
 09/05/2023   18:58:28   (  -0.06, -75.23) (   0.75, -71.58)  416.36                80
 09/07/2023   07:20:47   (   0.05, -75.24) (   0.41, -76.95)  194.60                80
 09/08/2023   06:59:43   (   0.05, -75.25) (  -0.56, -72.49)  314.72                80
 09/09/2023   19:22:11   (  -0.04, -75.27) (  -0.65, -77.90)  299.74                80
 09/10/2023   19:06:28   (  -0.04, -75.28) (   0.39, -73.45)  210.07                80
 09/12/2023   07:28:46   (   0.02, -75.31) (   0.83, -78.81)  399.58                80
 09/13/2023   07:07:42   (   0.02, -75.33) (  -0.21, -74.36)  110.70                80
 09/15/2023   19:14:26   (  -0.02, -75.38) (   0.01, -75.31)    8.76                80