Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2023   09:25:33   (   0.00,-104.68) (   0.45,-106.67)  227.12                80
 12/08/2023   09:04:26   (   0.00,-104.68) (  -0.54,-102.20)  283.10                80
 12/09/2023   21:26:49   (  -0.00,-104.65) (  -0.67,-107.58)  333.67                80
 12/10/2023   21:11:03   (  -0.01,-104.66) (   0.37,-103.11)  176.53                80
 12/12/2023   09:33:16   (   0.01,-104.69) (   0.88,-108.45)  429.33                80
 12/13/2023   09:12:09   (   0.01,-104.69) (  -0.16,-103.99)   80.44                80
 12/15/2023   21:16:05   (  -0.02,-104.65) (  -0.05,-104.89)   27.67                80
 12/16/2023   21:00:18   (  -0.01,-104.64) (   0.94,-100.42)  482.12                80
 12/18/2023   09:22:32   (   0.01,-104.68) (   0.24,-105.77)  123.86                80
 12/19/2023   09:01:25   (  -0.00,-104.68) (  -0.76,-101.29)  385.86                80
 12/20/2023   21:23:48   (   0.00,-104.64) (  -0.44,-106.67)  231.61                80