Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 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)
 09/30/2023   21:17:22   (  -0.01,-104.69) (  -0.37,-106.41)  195.58                80
 10/01/2023   21:01:38   (  -0.00,-104.69) (   0.65,-101.95)  313.50                80
 10/03/2023   09:23:55   (   0.00,-104.73) (   0.60,-107.30)  294.45                80
 10/04/2023   09:02:50   (   0.00,-104.73) (  -0.42,-102.85)  214.28                80
 10/05/2023   21:25:17   (  -0.00,-104.70) (  -0.81,-108.24)  404.41                80
 10/06/2023   21:09:32   (   0.00,-104.70) (   0.22,-103.78)  104.65                80
 10/09/2023   09:10:45   (  -0.00,-104.74) (  -0.00,-104.68)    6.40                80
 10/11/2023   21:14:46   (   0.00,-104.72) (  -0.22,-105.61)  102.66                80
 10/12/2023   20:59:01   (   0.00,-104.72) (   0.82,-101.16)  406.89                80