Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2025   21:58:50   (   0.00,-104.40) (   0.29,-103.12)  145.27                80
 06/14/2025   10:20:29   (  -0.00,-104.42) (   0.89,-108.31)  443.78                80
 06/15/2025   09:59:00   (  -0.00,-104.42) (  -0.15,-103.74)   76.94                80
 06/17/2025   22:01:58   (   0.00,-104.39) (  -0.01,-104.40)    1.14                80
 06/20/2025   10:07:28   (  -0.00,-104.42) (   0.15,-105.02)   68.23                80
 06/21/2025   09:45:59   (  -0.00,-104.42) (  -0.89,-100.45)  452.50                80
 06/22/2025   22:07:47   (   0.00,-104.38) (  -0.29,-105.68)  147.48                80
 06/23/2025   21:51:38   (  -0.00,-104.38) (   0.76,-101.11)  373.59                80
 06/25/2025   10:13:17   (   0.00,-104.41) (   0.43,-106.29)  214.74                80
 06/26/2025   09:51:47   (   0.01,-104.41) (  -0.61,-101.73)  305.90                80