Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 6 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2023   20:50:19   (  -0.00,-104.71) (   0.84,-100.91)  432.77                80
 06/06/2023   09:12:41   (  -0.00,-104.72) (   0.36,-106.30)  179.84                80
 06/07/2023   08:51:39   (  -0.01,-104.71) (  -0.63,-101.84)  326.88                80
 06/08/2023   21:14:09   (   0.01,-104.69) (  -0.58,-107.26)  293.23                80
 06/09/2023   20:58:28   (   0.01,-104.69) (   0.47,-102.82)  214.13                80
 06/11/2023   09:20:49   (  -0.02,-104.71) (   0.79,-108.19)  397.29                80
 06/12/2023   08:59:48   (  -0.02,-104.71) (  -0.25,-103.75)  110.02                80
 06/14/2023   21:03:54   (   0.02,-104.69) (  -0.00,-104.70)    3.02                80
 06/17/2023   09:10:34   (  -0.02,-104.71) (   0.21,-105.63)  105.75                80