Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 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)
 09/04/2023   19:14:12   (  -0.07, -75.22) (  -0.23, -76.04)   92.96                80
 09/05/2023   18:58:28   (  -0.07, -75.23) (   0.75, -71.57)  416.07                80
 09/07/2023   07:20:46   (   0.06, -75.23) (   0.48, -76.94)  195.51                80
 09/08/2023   06:59:43   (   0.06, -75.24) (  -0.56, -72.49)  313.64                80
 09/09/2023   19:22:11   (  -0.05, -75.26) (  -0.65, -77.89)  300.77                80
 09/10/2023   19:06:27   (  -0.04, -75.27) (   0.39, -73.44)  208.88                80
 09/12/2023   07:28:46   (   0.03, -75.29) (   0.83, -78.81)  401.36                80
 09/13/2023   07:07:42   (   0.03, -75.30) (  -0.21, -74.36)  108.77                80
 09/15/2023   19:14:26   (  -0.03, -75.36) (   0.01, -75.30)    6.99                80