Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2023   20:53:44   (  -0.00,-104.76) (   0.48,-102.55)  251.28                80
 04/07/2023   09:16:05   (   0.00,-104.76) (   0.71,-107.93)  361.22                80
 04/08/2023   08:55:03   (   0.00,-104.77) (  -0.30,-103.48)  146.75                80
 04/09/2023   21:17:32   (  -0.00,-104.77) (  -0.96,-108.89)  470.08                80
 04/10/2023   21:01:50   (  -0.01,-104.77) (   0.06,-104.44)   37.93                80
 04/13/2023   09:05:48   (   0.02,-104.78) (   0.14,-105.37)   66.92                80
 04/14/2023   08:44:44   (   0.02,-104.78) (  -0.83,-100.91)  440.78                80
 04/15/2023   21:07:14   (  -0.03,-104.78) (  -0.35,-106.33)  176.42                80
 04/16/2023   20:51:31   (  -0.03,-104.78) (   0.62,-101.87)  331.83                80
 04/18/2023   09:13:51   (   0.03,-104.79) (   0.58,-107.25)  279.80                80