Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2025   09:55:45   (   0.00,-104.41) (  -0.10,-103.90)   58.73                80
 05/11/2025   21:58:46   (  -0.00,-104.44) (  -0.05,-104.56)   14.37                80
 05/14/2025   10:04:18   (  -0.00,-104.47) (   0.14,-105.20)   82.85                80
 05/15/2025   09:42:48   (  -0.00,-104.47) (  -0.87,-100.63)  438.58                80
 05/16/2025   22:04:37   (   0.00,-104.48) (  -0.34,-105.85)  157.29                80
 05/17/2025   21:48:29   (   0.00,-104.49) (   0.73,-101.29)  364.61                80
 05/19/2025   10:10:08   (   0.00,-104.51) (   0.47,-106.48)  225.33                80
 05/20/2025   09:48:40   (   0.00,-104.51) (  -0.60,-101.92)  296.24                80
 05/21/2025   22:10:29   (  -0.00,-104.52) (  -0.59,-107.15)  300.08                80