Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 5 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2025   22:04:38   (   0.00,-104.42) (  -0.32,-105.86)  163.10                80
 05/17/2025   21:48:29   (   0.01,-104.43) (   0.75,-101.30)  358.35                80
 05/19/2025   10:10:09   (  -0.00,-104.44) (   0.45,-106.48)  232.42                80
 05/20/2025   09:48:39   (  -0.00,-104.44) (  -0.56,-101.91)  288.66                80
 05/21/2025   22:10:28   (  -0.00,-104.44) (  -0.64,-107.14)  308.08                80
 05/22/2025   21:54:20   (   0.00,-104.45) (   0.43,-102.58)  213.56                80
 05/24/2025   10:15:59   (   0.00,-104.47) (   0.77,-107.76)  376.33                80
 05/25/2025   09:54:31   (  -0.00,-104.47) (  -0.31,-103.20)  144.63                80
 05/26/2025   22:16:20   (   0.00,-104.45) (  -0.88,-108.43)  453.39                80
 05/27/2025   22:00:11   (   0.00,-104.46) (   0.14,-103.86)   67.90                80