Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2023   12:11:16   (   0.01,-151.16) (   0.00,-151.21)    5.37                80
 05/25/2023   00:12:44   (   0.00,-152.24) (  -0.01,-152.20)    4.55                80
 05/27/2023   12:19:07   (  -0.01,-153.36) (  -0.06,-153.18)   20.37                63
 05/30/2023   00:20:51   (   0.02,-154.43) (   0.08,-154.18)   28.15                80
 06/01/2023   12:27:31   (  -0.04,-155.52) (  -0.15,-155.15)   42.38                80
 06/04/2023   00:28:58   (   0.06,-156.56) (   0.14,-156.15)   47.03                80