Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2023   20:54:07   (  -0.00,-104.72) (   0.71,-101.45)  371.45                80
 07/03/2023   09:16:30   (   0.00,-104.74) (   0.46,-106.84)  239.75                80
 07/04/2023   08:55:26   (   0.00,-104.73) (  -0.50,-102.38)  267.34                80
 07/05/2023   21:17:55   (  -0.00,-104.70) (  -0.71,-107.79)  353.29                80
 07/06/2023   21:02:13   (   0.00,-104.70) (   0.31,-103.34)  154.27                80
 07/08/2023   09:24:34   (  -0.00,-104.73) (   0.91,-108.72)  455.85                80
 07/09/2023   09:03:32   (  -0.00,-104.72) (  -0.11,-104.27)   51.68                80
 07/11/2023   21:07:38   (   0.00,-104.69) (  -0.12,-105.22)   60.82                80
 07/12/2023   20:51:55   (   0.00,-104.69) (   0.90,-100.78)  447.10                80
 07/14/2023   09:14:16   (   0.00,-104.73) (   0.31,-106.15)  162.50                80