Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2023   08:50:57   (  -0.01,-104.73) (  -0.84,-100.99)  426.25                80
 07/27/2023   21:13:27   (   0.01,-104.70) (  -0.36,-106.41)  194.05                80
 07/28/2023   20:57:43   (   0.01,-104.70) (   0.63,-101.95)  313.74                80
 07/30/2023   09:20:03   (  -0.00,-104.73) (   0.59,-107.32)  296.10                80
 07/31/2023   08:59:00   (  -0.00,-104.72) (  -0.40,-102.86)  211.20                80
 08/01/2023   21:21:29   (   0.00,-104.68) (  -0.79,-108.28)  410.18                80
 08/02/2023   21:05:46   (   0.00,-104.67) (   0.20,-103.82)   97.47                80
 08/05/2023   09:09:43   (  -0.01,-104.71) (   0.01,-104.74)    3.89                80
 08/07/2023   21:11:09   (   0.01,-104.67) (  -0.20,-105.70)  116.96                80