Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/02/2023   21:59:59   (   0.09,  62.80) (  -0.05,  63.40)   68.16                80
 11/04/2023   10:22:27   (  -0.06,  61.76) (  -0.93,  57.96)  433.95                80
 11/05/2023   10:06:43   (  -0.08,  61.03) (   0.22,  62.39)  155.87                80
 11/06/2023   22:29:05   (   0.05,  59.82) (   0.71,  56.98)  324.89                80
 11/07/2023   22:08:01   (   0.07,  59.10) (  -0.44,  61.41)  262.57                80
 11/09/2023   10:30:30   (  -0.04,  58.08) (  -0.52,  55.97)  241.29                80
 11/10/2023   10:14:46   (  -0.06,  57.35) (   0.64,  60.40)  348.34                80
 11/11/2023   22:37:07   (   0.03,  56.13) (   0.29,  54.98)  131.32                80
 11/12/2023   22:16:03   (   0.06,  55.42) (  -0.82,  59.42)  455.57                80
 11/14/2023   10:38:31   (  -0.03,  54.43) (  -0.13,  53.98)   51.14                80