Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 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)
 09/01/2023   09:12:58   (  -0.01,-104.72) (   0.11,-105.13)   48.33                80
 09/02/2023   08:51:55   (  -0.00,-104.72) (  -0.91,-100.68)  460.37                80
 09/03/2023   21:14:23   (   0.00,-104.69) (  -0.31,-106.09)  159.21                80
 09/04/2023   20:58:40   (  -0.00,-104.69) (   0.72,-101.63)  349.64                80
 09/06/2023   09:20:58   (  -0.00,-104.74) (   0.51,-107.00)  257.88                80
 09/07/2023   08:59:55   (  -0.00,-104.74) (  -0.52,-102.55)  250.54                80
 09/08/2023   21:22:22   (   0.01,-104.70) (  -0.75,-107.94)  369.72                80
 09/09/2023   21:06:38   (   0.00,-104.71) (   0.29,-103.49)  139.11                80
 09/11/2023   09:28:57   (   0.00,-104.75) (   0.94,-108.85)  467.64                80
 09/12/2023   09:07:53   (   0.00,-104.76) (  -0.10,-104.40)   41.23                80