Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 31.  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) (  -0.10,-155.17)   38.85                80
 06/04/2023   00:31:49   (   0.06,-156.56) (   0.14,-156.19)   41.55                80
 06/06/2023   12:33:13   (  -0.08,-157.61) (  -0.16,-157.18)   49.46                80
 06/09/2023   00:37:25   (   0.09,-158.63) (   0.17,-158.19)   49.58                80
 06/10/2023   13:02:30   (  -0.13,-159.27) (   0.86,-163.61)  495.75                80
 06/11/2023   12:44:10   (  -0.10,-159.67) (  -0.24,-159.19)   56.19                80
 06/13/2023   01:04:02   (   0.14,-160.28) (  -0.84,-164.63)  496.63                80
 06/14/2023   00:45:56   (   0.12,-160.68) (   0.21,-160.19)   54.99                65