Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 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)
 05/24/2023   20:52:33   (  -0.00,-104.71) (   0.70,-101.60)  354.10                80
 05/26/2023   09:14:52   (  -0.00,-104.72) (   0.50,-106.98)  257.16                80
 05/27/2023   08:53:49   (  -0.00,-104.72) (  -0.53,-102.52)  250.83                80
 05/28/2023   21:16:16   (   0.01,-104.70) (  -0.73,-107.92)  367.08                80
 05/29/2023   21:00:33   (   0.01,-104.71) (   0.31,-103.47)  141.33                80
 05/31/2023   09:22:51   (  -0.01,-104.72) (   0.95,-108.83)  469.16                80
 06/01/2023   09:01:47   (  -0.01,-104.72) (  -0.08,-104.38)   38.80                80
 06/03/2023   21:05:51   (   0.02,-104.70) (  -0.11,-105.33)   72.02                80
 06/04/2023   20:50:07   (   0.03,-104.69) (   0.87,-100.87)  435.79                80
 06/06/2023   09:12:26   (  -0.03,-104.70) (   0.33,-106.24)  175.61                80
 06/07/2023   08:51:23   (  -0.03,-104.70) (  -0.71,-101.79)  331.88                80