Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2023   12:24:57   (  -0.04,-155.51) (  -0.12,-155.17)   38.80                80
 06/04/2023   00:31:50   (   0.06,-156.56) (   0.17,-156.20)   41.51                80
 06/06/2023   12:35:54   (  -0.08,-157.61) (  -0.19,-157.18)   49.34                80
 06/09/2023   00:40:05   (   0.09,-158.63) (   0.20,-158.20)   49.32                80
 06/10/2023   13:02:31   (  -0.13,-159.27) (   0.83,-163.62)  495.93                80
 06/11/2023   12:44:01   (  -0.10,-159.67) (  -0.21,-159.18)   55.94                72
 06/13/2023   01:04:02   (   0.14,-160.27) (  -0.86,-164.63)  496.86                80