Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2023   05:07:08   (  -0.42, 134.61) (  -0.20, 135.58)  111.15                80
 08/27/2023   17:32:12   (   0.41, 133.07) (   1.09, 130.14)  334.40                80
 08/28/2023   17:11:12   (   0.41, 132.05) (  -0.17, 134.54)  283.94                80
 08/30/2023   05:36:27   (  -0.40, 130.45) (  -0.71, 129.06)  159.29                80
 08/31/2023   05:15:26   (  -0.40, 129.43) (   0.49, 133.47)  460.64                80
 09/01/2023   17:37:51   (   0.39, 127.87) (   0.33, 128.01)   17.48                80
 09/03/2023   06:03:06   (  -0.38, 126.26) (  -1.20, 122.53)  425.20                80
 09/04/2023   05:42:05   (  -0.39, 125.23) (   0.00, 126.94)  195.87                80
 09/05/2023   18:07:10   (   0.38, 123.65) (   0.87, 121.50)  245.29                80
 09/06/2023   17:46:09   (   0.39, 122.61) (  -0.34, 125.91)  375.37                80