Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2023   00:23:32   (   0.03,-154.42) (   0.08,-154.18)   27.83                80
 06/01/2023   12:27:31   (  -0.04,-155.51) (  -0.15,-155.15)   41.61                80
 06/04/2023   00:28:58   (   0.06,-156.55) (   0.13,-156.14)   46.26                80
 06/05/2023   12:54:00   (  -0.10,-157.20) (   0.90,-161.56)  496.79                80
 06/06/2023   12:35:38   (  -0.08,-157.61) (  -0.20,-157.12)   56.32                80
 06/08/2023   00:55:27   (   0.11,-158.22) (  -0.90,-162.55)  494.61                80
 06/09/2023   00:39:45   (   0.09,-158.62) (   0.20,-158.11)   58.35                80
 06/10/2023   13:02:07   (  -0.13,-159.26) (   0.82,-163.52)  485.53                80
 06/11/2023   12:41:04   (  -0.10,-159.67) (  -0.22,-159.07)   67.21                80