Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 10 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)
 10/20/2024   09:25:46   (   0.00,-104.70) (  -0.73,-101.35)  380.85                80
 10/21/2024   21:47:49   (  -0.01,-104.67) (  -0.45,-106.65)  225.45                80
 10/22/2024   21:31:49   (  -0.01,-104.67) (   0.60,-102.12)  290.58                80
 10/24/2024   09:53:44   (   0.01,-104.69) (   0.61,-107.38)  306.89                80
 10/25/2024   09:32:23   (   0.01,-104.68) (  -0.39,-102.84)  208.93                80
 10/26/2024   21:54:26   (  -0.01,-104.65) (  -0.81,-108.13)  397.28                80
 10/27/2024   21:38:25   (  -0.01,-104.65) (   0.21,-103.60)  119.44                80
 10/29/2024   10:00:19   (   0.02,-104.69) (   0.98,-108.86)  476.15                80
 10/30/2024   09:38:59   (   0.02,-104.69) (  -0.04,-104.33)   40.35                80
 11/01/2024   21:42:20   (  -0.03,-104.65) (  -0.13,-105.08)   49.02                80
 11/02/2024   21:26:19   (  -0.03,-104.65) (   0.91,-100.56)  467.79                80