Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2024 5 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2024   10:28:54   (   0.00,  61.58) (  -0.44,  59.69)  216.12                80
 05/12/2024   10:13:03   (  -0.01,  61.60) (   0.60,  64.17)  294.32                80
 05/13/2024   22:32:29   (  -0.01,  61.63) (   0.59,  58.86)  314.76                80
 05/14/2024   22:16:36   (  -0.00,  61.65) (  -0.39,  63.36)  195.93                80
 05/16/2024   10:36:13   (   0.02,  61.68) (  -0.78,  58.01)  417.55                80
 05/17/2024   10:20:20   (   0.01,  61.70) (   0.21,  62.51)   92.97                80
 05/19/2024   22:22:56   (  -0.03,  61.75) (  -0.03,  61.70)    6.54                22
 05/22/2024   10:24:57   (   0.04,  61.81) (  -0.17,  60.85)  109.97                80
 05/23/2024   10:09:04   (   0.04,  61.84) (   0.83,  65.35)  399.72                80