Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2025   23:01:14   (  -0.10,  61.63) (   0.27,  60.12)  173.06                80
 05/22/2025   22:45:06   (  -0.08,  61.61) (  -0.80,  64.68)  349.97                80
 05/24/2025   11:04:15   (   0.11,  61.56) (  -0.39,  59.45)  241.43                80
 05/25/2025   10:48:07   (   0.10,  61.55) (   0.69,  64.01)  281.08                80
 05/26/2025   23:07:06   (  -0.13,  61.56) (   0.51,  58.82)  313.51                80
 05/27/2025   22:50:58   (  -0.13,  61.56) (  -0.57,  63.38)  208.58                80
 05/29/2025   11:10:07   (   0.15,  61.51) (  -0.61,  58.15)  383.94                80
 05/30/2025   10:53:57   (   0.14,  61.51) (   0.41,  62.72)  138.06                80
 05/31/2025   23:12:58   (  -0.17,  61.53) (   0.72,  57.52)  456.86                80
 06/01/2025   22:56:48   (  -0.16,  61.52) (  -0.31,  62.09)   65.30                80