Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 4 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)
 04/14/2025   22:06:55   (   0.01,-104.40) (  -0.63,-107.21)  320.92                80
 04/15/2025   21:50:46   (   0.01,-104.39) (   0.39,-102.64)  199.39                80
 04/17/2025   10:12:28   (  -0.01,-104.38) (   0.76,-107.85)  395.43                80
 04/18/2025   09:51:00   (  -0.01,-104.37) (  -0.26,-103.28)  124.39                80
 04/19/2025   22:12:50   (   0.01,-104.37) (  -0.92,-108.52)  472.08                80
 04/20/2025   21:56:42   (   0.00,-104.37) (   0.11,-103.95)   48.15                80
 04/23/2025   09:59:35   (   0.00,-104.35) (   0.04,-104.58)   25.93                80
 04/24/2025   09:38:06   (  -0.00,-104.35) (  -0.99,-100.02)  494.12                80
 04/25/2025   21:59:55   (  -0.00,-104.35) (  -0.23,-105.24)  102.42                80
 04/26/2025   21:43:48   (   0.00,-104.35) (   0.86,-100.69)  418.00                80