Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/24/2023   20:52:33   (  -0.00,-104.71) (   0.71,-101.61)  354.13                80
 05/26/2023   09:14:53   (  -0.00,-104.72) (   0.49,-106.98)  257.14                80
 05/27/2023   08:53:48   (  -0.00,-104.72) (  -0.48,-102.51)  250.88                80
 05/28/2023   21:16:16   (   0.01,-104.71) (  -0.71,-107.93)  366.95                80
 05/29/2023   21:00:32   (   0.01,-104.71) (   0.27,-103.46)  141.50                80
 05/31/2023   09:22:51   (  -0.01,-104.72) (   0.93,-108.84)  468.97                80
 06/01/2023   09:01:48   (  -0.01,-104.72) (  -0.11,-104.38)   39.06                80
 06/03/2023   21:05:51   (   0.02,-104.70) (  -0.14,-105.32)   71.71                80
 06/04/2023   20:50:07   (   0.03,-104.70) (   0.90,-100.87)  436.16                80
 06/06/2023   09:12:26   (  -0.03,-104.71) (   0.29,-106.25)  175.22                80