Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 7 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)
 07/14/2025   09:11:47   (  -0.08, -89.49) (   0.31, -91.10)  183.90                80
 07/15/2025   08:55:37   (  -0.08, -89.50) (  -0.75, -86.53)  338.16                80
 07/16/2025   21:14:45   (   0.08, -89.54) (  -0.43, -91.75)  253.01                80
 07/17/2025   20:58:35   (   0.08, -89.54) (   0.63, -87.19)  269.18                80
 07/19/2025   09:17:35   (  -0.09, -89.53) (   0.56, -92.37)  324.89                80
 07/20/2025   09:01:25   (  -0.09, -89.53) (  -0.50, -87.81)  197.12                80
 07/21/2025   21:20:32   (   0.10, -89.57) (  -0.66, -93.03)  394.31                80
 07/22/2025   21:04:22   (   0.10, -89.58) (   0.34, -88.45)  127.85                80
 07/24/2025   09:26:01   (  -0.11, -89.56) (   0.85, -93.64)  465.80                80
 07/25/2025   09:07:12   (  -0.11, -89.58) (  -0.22, -89.08)   56.76                80