Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/27/2023   12:16:43   (  -0.01,-153.35) (  -0.02,-153.17)   20.20                80
 05/30/2023   00:23:32   (   0.03,-154.42) (   0.10,-154.18)   27.70                80
 06/01/2023   12:24:51   (  -0.04,-155.51) (  -0.11,-155.14)   41.43                80
 06/04/2023   00:29:03   (   0.06,-156.55) (   0.14,-156.15)   45.90                75
 06/05/2023   12:54:01   (  -0.10,-157.20) (   0.88,-161.56)  497.05                80
 06/06/2023   12:35:38   (  -0.08,-157.61) (  -0.22,-157.12)   56.10                80
 06/08/2023   00:55:28   (   0.11,-158.22) (  -0.88,-162.55)  494.98                80
 06/09/2023   00:39:45   (   0.09,-158.62) (   0.22,-158.12)   57.94                80