Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2023   09:12:00   (  -0.01,-104.73) (   0.17,-105.45)   81.58                80
 07/26/2023   08:50:58   (  -0.01,-104.73) (  -0.87,-101.00)  426.15                80
 07/27/2023   21:13:26   (   0.01,-104.70) (  -0.38,-106.40)  194.16                80
 07/28/2023   20:57:43   (   0.01,-104.70) (   0.60,-101.94)  313.56                80
 07/30/2023   09:20:03   (  -0.00,-104.72) (   0.61,-107.32)  296.47                80
 07/31/2023   08:59:01   (  -0.00,-104.72) (  -0.43,-102.87)  210.76                80
 08/01/2023   21:21:29   (   0.01,-104.67) (  -0.82,-108.27)  410.70                80
 08/02/2023   21:05:46   (   0.01,-104.67) (   0.23,-103.83)   96.94                80
 08/05/2023   09:09:43   (  -0.01,-104.70) (  -0.02,-104.75)    5.28                80