Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/24/2023   21:54:22   (   0.01,  61.44) (  -0.79,  65.05)  411.16                80
 11/26/2023   10:16:46   (   0.02,  61.47) (  -0.37,  59.66)  206.11                80
 11/27/2023   10:01:00   (   0.00,  61.44) (   0.64,  64.13)  306.99                80
 11/28/2023   22:23:15   (  -0.03,  61.33) (   0.56,  58.78)  291.72                80
 11/29/2023   22:02:08   (  -0.01,  61.31) (  -0.46,  63.24)  220.39                80
 12/01/2023   10:24:32   (   0.04,  61.36) (  -0.76,  57.86)  399.08                80
 12/02/2023   10:08:45   (   0.02,  61.34) (   0.26,  62.33)  113.59                80
 12/03/2023   22:31:00   (  -0.05,  61.22) (   0.92,  56.98)  483.92                80
 12/04/2023   22:09:54   (  -0.03,  61.20) (  -0.11,  61.44)   28.12                80
 12/07/2023   10:13:50   (   0.05,  61.24) (  -0.13,  60.54)   80.30                80