Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2023   09:22:55   (  -0.00,-104.73) (   0.93,-108.85)  470.02                80
 06/01/2023   09:01:53   (  -0.00,-104.73) (  -0.05,-104.40)   37.48                80
 06/03/2023   21:06:02   (   0.01,-104.71) (  -0.14,-105.37)   74.54                80
 06/04/2023   20:50:19   (   0.01,-104.71) (   0.84,-100.91)  432.71                80
 06/06/2023   09:12:41   (  -0.02,-104.73) (   0.36,-106.30)  179.81                80
 06/07/2023   08:51:40   (  -0.02,-104.72) (  -0.69,-101.86)  327.11                80
 06/08/2023   21:14:09   (   0.01,-104.70) (  -0.59,-107.26)  292.74                80
 06/09/2023   20:58:28   (   0.01,-104.70) (   0.46,-102.82)  214.92                80
 06/11/2023   09:20:49   (  -0.01,-104.72) (   0.80,-108.19)  396.31                80
 06/12/2023   08:59:48   (  -0.00,-104.72) (  -0.24,-103.75)  111.16                80