Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/02/2023   21:15:37   (   0.00,-104.70) (  -0.97,-108.91)  480.60                80
 03/03/2023   20:59:56   (   0.00,-104.70) (   0.08,-104.47)   26.62                80
 03/06/2023   09:03:58   (  -0.01,-104.71) (   0.15,-105.41)   80.42                80
 03/07/2023   08:42:57   (  -0.01,-104.71) (  -0.85,-100.96)  426.82                80
 03/08/2023   21:05:28   (   0.01,-104.71) (  -0.36,-106.39)  190.90                80
 03/09/2023   20:49:46   (   0.01,-104.72) (   0.65,-101.94)  316.68                80
 03/11/2023   09:12:10   (  -0.01,-104.73) (   0.55,-107.34)  296.74                80
 03/12/2023   08:51:07   (  -0.01,-104.73) (  -0.41,-102.88)  210.50                80
 03/13/2023   21:13:39   (   0.01,-104.72) (  -0.77,-108.31)  408.10                80
 03/14/2023   20:57:56   (   0.01,-104.72) (   0.19,-103.85)   99.00                80