Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2023   13:27:14   (  -0.23,-165.24) (   0.74,-169.60)  496.43                80
 06/26/2023   13:08:53   (  -0.21,-165.62) (  -0.33,-165.16)   52.93                80
 06/29/2023   01:13:02   (   0.23,-166.57) (   0.30,-166.16)   46.67                80
 07/01/2023   13:14:25   (  -0.25,-167.51) (  -0.32,-167.14)   42.46                80
 07/04/2023   01:18:35   (   0.27,-168.44) (   0.31,-168.14)   32.73                80
 07/06/2023   13:25:18   (  -0.29,-169.36) (  -0.34,-169.13)   26.30                80