Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 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)
 05/25/2023   00:12:44   (   0.00,-152.24) (   0.00,-152.21)    4.06                80
 05/27/2023   12:19:24   (  -0.01,-153.35) (  -0.07,-153.18)   20.05                80
 05/30/2023   00:23:32   (   0.03,-154.42) (   0.08,-154.18)   27.64                80
 06/01/2023   12:24:50   (  -0.04,-155.51) (  -0.10,-155.14)   41.55                80
 06/04/2023   00:28:58   (   0.06,-156.55) (   0.14,-156.15)   46.00                80
 06/05/2023   12:51:21   (  -0.10,-157.20) (   0.88,-161.56)  496.92                80
 06/06/2023   12:35:38   (  -0.08,-157.61) (  -0.22,-157.12)   56.26                80