Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 6 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)
 06/14/2025   10:20:29   (  -0.00,-104.42) (   0.87,-108.32)  443.73                80
 06/15/2025   09:59:00   (  -0.00,-104.42) (  -0.17,-103.75)   77.00                80
 06/17/2025   22:01:59   (   0.00,-104.39) (   0.02,-104.40)    2.52                80
 06/20/2025   10:07:29   (  -0.00,-104.42) (   0.12,-105.02)   68.08                80
 06/21/2025   09:45:59   (  -0.00,-104.42) (  -0.92,-100.45)  452.64                80
 06/22/2025   22:07:46   (   0.00,-104.38) (  -0.31,-105.67)  147.33                80
 06/23/2025   21:51:37   (  -0.00,-104.38) (   0.74,-101.10)  373.77                80
 06/25/2025   10:13:16   (   0.00,-104.41) (   0.45,-106.29)  214.52                80
 06/26/2025   09:51:47   (   0.01,-104.41) (  -0.60,-101.72)  306.15                80