Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/28/2023   17:11:13   (   0.41, 132.06) (  -0.18, 134.54)  283.63                80
 08/30/2023   05:36:27   (  -0.40, 130.45) (  -0.70, 129.06)  159.19                80
 08/31/2023   05:15:26   (  -0.40, 129.43) (   0.50, 133.47)  460.80                80
 09/01/2023   17:37:51   (   0.39, 127.87) (   0.38, 128.03)   17.17                80
 09/03/2023   06:03:05   (  -0.38, 126.26) (  -1.25, 122.54)  424.93                80
 09/04/2023   05:42:06   (  -0.39, 125.22) (   0.02, 126.94)  196.19                80
 09/05/2023   18:07:10   (   0.38, 123.65) (   0.86, 121.50)  245.21                80
 09/06/2023   17:46:09   (   0.39, 122.61) (  -0.35, 125.91)  375.45                80
 09/08/2023   06:11:24   (  -0.37, 120.99) (  -0.51, 120.42)   65.52                80
 09/10/2023   18:12:48   (   0.36, 118.36) (   0.11, 119.38)  116.64                80