Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2025   21:56:42   (   0.01,-104.38) (   0.12,-103.95)   49.11                80
 04/23/2025   09:59:35   (  -0.00,-104.36) (   0.04,-104.58)   24.91                80
 04/24/2025   09:38:06   (  -0.00,-104.36) (  -1.00,-100.02)  495.36                80
 04/25/2025   21:59:57   (   0.00,-104.37) (  -0.18,-105.26)  100.37                80
 04/26/2025   21:43:48   (   0.00,-104.37) (   0.86,-100.69)  420.21                80
 04/28/2025   10:05:28   (  -0.00,-104.36) (   0.36,-105.88)  173.85                80
 04/29/2025   09:44:00   (  -0.01,-104.35) (  -0.68,-101.31)  346.10                80
 04/30/2025   22:05:50   (   0.00,-104.35) (  -0.48,-106.55)  250.83                80
 05/01/2025   21:49:42   (   0.00,-104.35) (   0.56,-101.99)  269.55                80
 05/03/2025   10:11:22   (  -0.00,-104.34) (   0.64,-107.18)  323.72                80
 05/04/2025   09:49:54   (  -0.00,-104.34) (  -0.41,-102.62)  196.57                80