Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2026 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2026   09:44:47   (  -0.59, -89.50) (  -1.25, -86.46)  345.22                80
 09/20/2026   22:09:03   (   0.45, -89.49) (  -0.04, -91.60)  241.68                80
 09/21/2026   21:47:27   (   0.54, -89.49) (   1.08, -87.02)  281.71                80
 09/23/2026   10:11:33   (  -0.40, -89.51) (   0.18, -92.13)  298.04                80
 09/24/2026   09:49:58   (  -0.48, -89.52) (  -0.94, -87.54)  225.46                80
 09/25/2026   22:14:13   (   0.34, -89.52) (  -0.37, -92.68)  360.59                80
 09/26/2026   21:52:38   (   0.42, -89.52) (   0.75, -88.09)  163.21                80
 09/28/2026   10:16:43   (  -0.27, -89.55) (   0.57, -93.19)  415.64                80
 09/29/2026   09:55:09   (  -0.36, -89.55) (  -0.60, -88.62)  107.96                80
 09/30/2026   22:19:23   (   0.21, -89.55) (  -0.76, -93.74)  478.29                80
 10/01/2026   21:57:48   (   0.29, -89.56) (   0.41, -89.17)   45.26                80