Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 2 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)
 02/20/2025   22:04:28   (   0.03,-104.41) (   0.00,-107.70)  365.22                 0
 02/21/2025   21:46:51   (   0.03,-104.41) (   0.35,-102.99)  162.38                80
 02/23/2025   10:08:36   (  -0.02,-104.38) (   0.85,-108.20)  436.03                80
 02/24/2025   09:47:10   (   0.02,-104.38) (  -0.14,-103.64)   83.93                80
 02/26/2025   21:52:58   (  -0.01,-104.40) (   0.00,-104.34)    7.08                80
 03/01/2025   09:55:57   (   0.01,-104.37) (   0.12,-105.01)   71.92                80
 03/02/2025   09:34:31   (   0.00,-104.37) (  -0.89,-100.45)  447.38                80
 03/03/2025   21:56:24   (  -0.00,-104.40) (  -0.29,-105.70)  148.24                80
 03/04/2025   21:40:18   (  -0.00,-104.39) (   0.73,-101.14)  371.01                80
 03/06/2025   10:02:03   (   0.00,-104.36) (   0.45,-106.36)  227.37                80