Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2023   06:11:24   (  -0.37, 121.07) (  -0.50, 120.42)   73.33                80
 09/10/2023   18:12:48   (   0.36, 118.48) (   0.15, 119.39)  103.52                80
 09/12/2023   06:38:02   (  -0.34, 116.86) (  -1.00, 113.90)  336.76                80
 09/13/2023   06:17:01   (  -0.35, 115.81) (   0.22, 118.31)  285.34                80
 09/14/2023   18:42:06   (   0.33, 114.23) (   0.65, 112.87)  155.55                80
 09/15/2023   18:21:05   (   0.35, 113.19) (  -0.57, 117.28)  466.31                80
 09/17/2023   06:43:40   (  -0.33, 111.55) (  -0.26, 111.79)   27.87                80
 09/18/2023   19:08:44   (   0.31, 109.95) (   1.12, 106.34)  410.74                80
 09/19/2023   18:47:43   (   0.33, 108.90) (  -0.10, 110.75)  211.80                80