Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2023   09:22:55   (  -0.00,-104.73) (   0.96,-108.85)  469.87                80
 06/01/2023   09:01:53   (  -0.00,-104.73) (  -0.08,-104.40)   37.39                80
 06/03/2023   21:06:02   (   0.01,-104.71) (  -0.11,-105.38)   75.12                80
 06/04/2023   20:50:20   (   0.02,-104.71) (   0.88,-100.92)  432.01                80
 06/06/2023   09:12:42   (  -0.02,-104.72) (   0.32,-106.31)  180.62                80
 06/07/2023   08:51:40   (  -0.03,-104.71) (  -0.66,-101.85)  326.12                80
 06/08/2023   21:14:10   (   0.03,-104.69) (  -0.55,-107.27)  294.17                80
 06/09/2023   20:58:27   (   0.03,-104.69) (   0.44,-102.81)  213.19                80
 06/11/2023   09:20:50   (  -0.03,-104.71) (   0.77,-108.20)  398.30                80
 06/12/2023   08:59:47   (  -0.03,-104.71) (  -0.22,-103.74)  109.01                80