Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 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)
 08/30/2023   05:36:26   (  -0.40, 130.46) (  -0.73, 129.06)  159.26                80
 08/31/2023   05:15:27   (  -0.40, 129.43) (   0.53, 133.46)  460.71                80
 09/01/2023   17:37:51   (   0.39, 127.88) (   0.35, 128.02)   16.73                80
 09/03/2023   06:03:05   (  -0.38, 126.27) (  -1.22, 122.54)  425.16                80
 09/04/2023   05:42:05   (  -0.39, 125.23) (  -0.02, 126.95)  195.92                80
 09/05/2023   18:07:09   (   0.38, 123.65) (   0.89, 121.50)  245.79                80
 09/06/2023   17:46:10   (   0.39, 122.62) (  -0.38, 125.90)  374.85                80
 09/08/2023   06:11:24   (  -0.37, 121.00) (  -0.49, 120.42)   65.99                80
 09/10/2023   18:12:48   (   0.36, 118.37) (   0.15, 119.39)  115.85                80
 09/12/2023   06:38:02   (  -0.34, 116.74) (  -1.00, 113.90)  324.41                80