Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2023   09:03:58   (   0.01,-104.71) (   0.16,-105.41)   80.37                80
 03/07/2023   08:42:57   (   0.01,-104.71) (  -0.84,-100.96)  426.82                80
 03/08/2023   21:05:28   (  -0.01,-104.72) (  -0.37,-106.39)  190.36                80
 03/09/2023   20:49:47   (  -0.01,-104.72) (   0.63,-101.94)  317.15                80
 03/11/2023   09:12:10   (   0.01,-104.73) (   0.59,-107.33)  296.79                80
 03/12/2023   08:51:09   (   0.01,-104.73) (  -0.41,-102.88)  210.37                80
 03/13/2023   21:13:39   (  -0.01,-104.73) (  -0.84,-108.30)  407.61                80
 03/14/2023   20:57:57   (  -0.02,-104.73) (   0.17,-103.85)   99.52                80
 03/17/2023   09:01:59   (   0.02,-104.72) (   0.02,-104.80)    8.26                80
 03/18/2023   08:40:57   (   0.02,-104.72) (  -0.94,-100.34)  498.97                80
 03/19/2023   21:03:28   (  -0.02,-104.72) (  -0.24,-105.77)  119.37                80