Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 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)
 08/31/2023   05:15:26   (  -0.40, 129.43) (   0.51, 133.47)  460.05                80
 09/01/2023   17:37:51   (   0.39, 127.89) (   0.37, 128.03)   15.32                80
 09/03/2023   06:03:05   (  -0.38, 126.28) (  -1.25, 122.54)  426.50                80
 09/04/2023   05:42:06   (  -0.39, 125.24) (   0.02, 126.94)  194.38                80
 09/05/2023   18:07:10   (   0.38, 123.68) (   0.86, 121.50)  248.04                80
 09/06/2023   17:46:09   (   0.39, 122.64) (  -0.35, 125.91)  372.35                80
 09/08/2023   06:11:24   (  -0.37, 121.02) (  -0.52, 120.42)   68.45                80
 09/10/2023   18:12:49   (   0.36, 118.40) (   0.12, 119.38)  112.46                80
 09/12/2023   06:38:03   (  -0.34, 116.77) (  -0.97, 113.89)  327.81                80
 09/13/2023   06:17:02   (  -0.35, 115.72) (   0.24, 118.30)  295.23                80