Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2025   21:08:31   (   0.16, -89.50) (   0.53, -87.86)  187.40                 8
 10/06/2025   09:31:36   (  -0.13, -89.51) (   0.70, -93.02)  401.63                80
 10/07/2025   09:10:05   (  -0.15, -89.51) (  -0.36, -88.45)  120.21                80
 10/08/2025   21:34:31   (   0.11, -89.52) (  -0.84, -93.66)  473.38                80
 10/09/2025   21:13:01   (   0.13, -89.52) (   0.22, -89.09)   48.87                80
 10/12/2025   09:18:27   (  -0.11, -89.54) (  -0.07, -89.69)   17.57                80
 10/14/2025   21:21:22   (   0.10, -89.55) (  -0.08, -90.33)   89.02                80
 10/15/2025   20:59:51   (   0.12, -89.56) (   1.00, -85.76)  433.78                80
 10/17/2025   09:24:07   (  -0.09, -89.59) (   0.21, -90.93)  152.76                80
 10/18/2025   09:02:37   (  -0.11, -89.60) (  -0.87, -86.36)  370.06                80