Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 21.  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   23:01:15   (  -0.10,  61.63) (   0.24,  60.11)  172.84                80
 05/22/2025   22:45:05   (  -0.08,  61.61) (  -0.77,  64.68)  350.37                80
 05/24/2025   11:04:16   (   0.11,  61.55) (  -0.36,  59.44)  240.69                80
 05/25/2025   10:48:06   (   0.10,  61.54) (   0.66,  64.01)  281.98                80
 05/26/2025   23:07:07   (  -0.13,  61.55) (   0.48,  58.81)  312.37                80
 05/27/2025   22:50:57   (  -0.13,  61.54) (  -0.54,  63.38)  209.88                80
 05/29/2025   11:10:07   (   0.15,  61.50) (  -0.58,  58.14)  382.29                80
 05/30/2025   10:53:58   (   0.14,  61.49) (   0.44,  62.71)  139.92                80
 05/31/2025   23:12:57   (  -0.17,  61.51) (   0.75,  57.52)  454.80                80
 06/01/2025   22:56:48   (  -0.16,  61.50) (  -0.27,  62.10)   67.55                80
 06/04/2025   10:59:49   (   0.17,  61.44) (   0.19,  61.42)    3.50                80