Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 28.  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) (   0.09,-154.18)   27.79                80
 06/01/2023   12:24:51   (  -0.04,-155.51) (  -0.10,-155.14)   41.47                80
 06/04/2023   00:28:58   (   0.06,-156.55) (   0.14,-156.15)   46.04                80
 06/05/2023   12:54:01   (  -0.10,-157.20) (   0.89,-161.56)  497.00                80
 06/06/2023   12:35:38   (  -0.08,-157.61) (  -0.21,-157.12)   56.10                80
 06/08/2023   00:55:27   (   0.11,-158.22) (  -0.89,-162.55)  494.89                80
 06/09/2023   00:39:45   (   0.09,-158.62) (   0.21,-158.11)   58.04                80
 06/10/2023   12:59:27   (  -0.12,-159.26) (   0.82,-163.53)  485.90                80