Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2023   09:12:10   (   0.03,-104.73) (   0.59,-107.33)  295.54                80
 03/12/2023   08:51:07   (   0.02,-104.73) (  -0.37,-102.87)  211.85                80
 03/13/2023   21:13:39   (  -0.03,-104.74) (  -0.82,-108.30)  405.11                80
 03/14/2023   20:57:57   (  -0.03,-104.74) (   0.19,-103.85)  102.29                80
 03/17/2023   09:01:58   (   0.04,-104.74) (   0.03,-104.79)    5.71                80
 03/19/2023   21:03:26   (  -0.05,-104.74) (  -0.29,-105.75)  114.96                80
 03/20/2023   20:47:44   (  -0.05,-104.75) (   0.75,-101.31)  392.74                80
 03/22/2023   09:10:07   (   0.05,-104.75) (   0.47,-106.69)  220.58                80
 03/23/2023   08:49:04   (   0.05,-104.76) (  -0.51,-102.24)  287.06                80
 03/24/2023   21:11:34   (  -0.05,-104.76) (  -0.70,-107.66)  329.99                80