Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2023   08:57:12   (   0.01,-104.75) (  -0.12,-104.14)   69.36                80
 03/30/2023   21:01:20   (  -0.01,-104.75) (  -0.10,-105.11)   41.36                80
 03/31/2023   20:45:38   (  -0.01,-104.75) (   0.89,-100.65)  466.22                80
 04/02/2023   09:07:59   (   0.01,-104.75) (   0.33,-106.03)  147.06                80
 04/03/2023   08:46:57   (   0.02,-104.75) (  -0.68,-101.58)  360.52                80
 04/04/2023   21:09:27   (  -0.02,-104.75) (  -0.53,-107.00)  257.20                80
 04/05/2023   20:53:44   (  -0.02,-104.75) (   0.47,-102.55)  250.56                80
 04/07/2023   09:16:07   (  -0.03,-104.76) (   0.67,-107.95)  363.26                80
 04/08/2023   08:55:03   (  -0.03,-104.75) (  -0.29,-103.49)  144.16                80
 04/09/2023   21:17:33   (   0.03,-104.74) (  -0.91,-108.91)  474.60                80
 04/10/2023   21:01:51   (   0.03,-104.74) (   0.11,-104.46)   32.80                80