Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 8 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2025   11:23:11   (   0.44,  61.51) (  -0.32,  58.05)  394.66                80
 09/02/2025   11:01:42   (   0.47,  61.49) (   0.74,  62.61)  127.92                80
 09/03/2025   23:26:00   (  -0.43,  61.48) (   0.46,  57.43)  460.72                80
 09/04/2025   23:04:31   (  -0.46,  61.47) (  -0.60,  62.00)   60.82                80
 09/07/2025   11:07:29   (   0.45,  61.44) (   0.45,  61.35)   10.68                80
 09/09/2025   23:12:56   (  -0.43,  61.42) (  -0.29,  60.74)   76.54                80
 09/10/2025   22:51:27   (  -0.45,  61.41) (  -1.36,  65.31)  444.45                80
 09/12/2025   11:15:53   (   0.40,  61.42) (   0.10,  60.10)  150.27                80
 09/13/2025   10:54:24   (   0.44,  61.41) (   1.18,  64.67)  370.97                80