Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2023   09:17:49   (  -0.00,-104.67) (   0.05,-104.89)   24.47                80
 12/03/2023   08:56:43   (   0.00,-104.67) (  -0.98,-100.42)  485.15                80
 12/04/2023   21:19:05   (  -0.00,-104.64) (  -0.29,-105.79)  132.25                80
 12/05/2023   21:03:19   (  -0.00,-104.64) (   0.75,-101.33)  377.83                80
 12/07/2023   09:25:33   (   0.00,-104.68) (   0.46,-106.67)  227.72                80
 12/08/2023   09:04:27   (   0.00,-104.68) (  -0.58,-102.21)  282.18                80
 12/09/2023   21:26:49   (  -0.00,-104.64) (  -0.68,-107.58)  335.62                80
 12/10/2023   21:11:03   (  -0.00,-104.64) (   0.37,-103.12)  174.29                80
 12/12/2023   09:33:16   (  -0.00,-104.67) (   0.88,-108.45)  431.35                80
 12/13/2023   09:12:09   (  -0.00,-104.67) (  -0.17,-103.99)   78.10                80