Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2023   21:09:04   (   0.04,-104.68) (   0.12,-104.23)   50.47                80
 09/01/2023   09:13:00   (  -0.04,-104.73) (   0.03,-105.15)   47.80                80
 09/02/2023   08:51:55   (  -0.04,-104.74) (  -0.94,-100.69)  461.26                80
 09/03/2023   21:14:24   (   0.05,-104.71) (  -0.29,-106.09)  157.88                80
 09/04/2023   20:58:40   (   0.05,-104.72) (   0.75,-101.64)  351.37                80
 09/06/2023   09:20:58   (  -0.05,-104.77) (   0.48,-107.00)  255.35                80
 09/07/2023   08:59:55   (  -0.05,-104.78) (  -0.55,-102.55)  253.53                80
 09/08/2023   21:22:23   (   0.06,-104.75) (  -0.66,-107.96)  366.25                80
 09/09/2023   21:06:39   (   0.06,-104.75) (   0.32,-103.50)  142.92                80
 09/11/2023   09:28:58   (  -0.07,-104.81) (   0.85,-108.87)  463.29                80