Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2025   09:33:15   (  -0.17, -89.49) (   0.85, -93.86)  499.43                80
 09/21/2025   09:11:45   (  -0.19, -89.49) (  -0.23, -89.30)   22.11                80
 09/23/2025   21:17:23   (   0.18, -89.52) (   0.10, -89.95)   48.36                80
 09/24/2025   20:55:53   (   0.19, -89.53) (   1.13, -85.38)  473.98                80
 09/26/2025   09:20:10   (  -0.17, -89.53) (   0.08, -90.55)  116.56                80
 09/27/2025   08:58:41   (  -0.18, -89.53) (  -1.01, -85.99)  405.20                80
 09/28/2025   21:23:08   (   0.16, -89.55) (  -0.19, -91.20)  187.45                80
 09/29/2025   21:01:38   (   0.17, -89.56) (   0.84, -86.63)  334.86                80
 10/01/2025   09:25:55   (  -0.15, -89.57) (   0.37, -91.80)  254.75                80
 10/02/2025   09:04:25   (  -0.17, -89.58) (  -0.72, -87.24)  267.20                80