Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2025   09:27:30   (  -0.18, -89.49) (   0.55, -92.61)  356.66                80
 09/16/2025   09:06:00   (  -0.19, -89.49) (  -0.52, -88.05)  164.35                80
 09/17/2025   21:30:28   (   0.18, -89.51) (  -0.69, -93.26)  428.57                80
 09/18/2025   21:08:58   (   0.19, -89.51) (   0.39, -88.70)   93.45                80
 09/20/2025   09:33:15   (  -0.17, -89.51) (   0.83, -93.87)  497.30                80
 09/21/2025   09:11:46   (  -0.19, -89.52) (  -0.25, -89.31)   24.74                80
 09/23/2025   21:17:23   (   0.18, -89.56) (   0.07, -89.95)   44.68                80
 09/24/2025   20:55:53   (   0.19, -89.57) (   1.15, -85.38)  478.14                80
 09/26/2025   09:20:11   (  -0.17, -89.58) (   0.06, -90.56)  111.50                80
 09/27/2025   08:58:41   (  -0.18, -89.59) (  -1.02, -85.99)  410.75                80