Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2023   21:00:33   (  -0.01,-104.71) (   0.30,-103.47)  142.32                80
 05/31/2023   09:22:51   (   0.01,-104.73) (   0.95,-108.83)  468.07                80
 06/01/2023   09:01:47   (   0.01,-104.73) (  -0.08,-104.38)   40.08                80
 06/03/2023   21:05:51   (  -0.01,-104.71) (  -0.12,-105.33)   70.26                80
 06/04/2023   20:50:07   (  -0.00,-104.70) (   0.86,-100.86)  437.78                80
 06/06/2023   09:12:26   (   0.00,-104.72) (   0.34,-106.24)  173.41                80
 06/07/2023   08:51:22   (  -0.00,-104.71) (  -0.64,-101.77)  334.10                80
 06/08/2023   21:13:49   (   0.01,-104.68) (  -0.58,-107.18)  285.13                80
 06/09/2023   20:58:05   (   0.01,-104.68) (   0.47,-102.73)  222.94                80
 06/11/2023   09:20:25   (  -0.02,-104.70) (   0.73,-108.10)  387.19                80