Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2023   09:15:49   (   0.00,-104.68) (   0.06,-104.84)   18.73                80
 11/06/2023   08:54:44   (  -0.00,-104.68) (  -0.98,-100.37)  490.49                80
 11/07/2023   21:17:08   (  -0.00,-104.65) (  -0.23,-105.76)  127.01                80
 11/08/2023   21:01:22   (  -0.00,-104.65) (   0.75,-101.29)  382.54                80
 11/10/2023   09:23:38   (   0.00,-104.68) (   0.46,-106.64)  224.61                80
 11/11/2023   09:02:32   (   0.00,-104.68) (  -0.58,-102.18)  284.70                80
 11/12/2023   21:24:56   (  -0.00,-104.64) (  -0.67,-107.56)  333.22                80
 11/13/2023   21:09:09   (  -0.00,-104.64) (   0.32,-103.09)  176.17                80
 11/15/2023   09:31:25   (   0.01,-104.67) (   0.88,-108.45)  430.98                80
 11/16/2023   09:10:19   (   0.02,-104.66) (  -0.11,-103.98)   78.05                80