Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2023   09:23:56   (  -0.02,-104.72) (   0.55,-107.32)  295.40                80
 10/04/2023   09:02:50   (   0.00,-104.72) (  -0.42,-102.84)  213.79                80
 10/05/2023   21:25:17   (  -0.01,-104.69) (  -0.81,-108.24)  404.56                80
 10/06/2023   21:09:32   (  -0.00,-104.69) (   0.22,-103.78)  104.33                80
 10/09/2023   09:10:45   (  -0.00,-104.73) (  -0.01,-104.68)    5.12                80
 10/11/2023   21:14:46   (   0.01,-104.70) (  -0.21,-105.61)  103.92                80
 10/12/2023   20:59:01   (   0.00,-104.71) (   0.83,-101.16)  405.61                80
 10/14/2023   09:21:19   (   0.03,-104.75) (   0.41,-106.51)  200.88                80
 10/15/2023   09:00:13   (   0.03,-104.75) (  -0.57,-102.04)  308.31                80
 10/16/2023   21:22:38   (  -0.03,-104.72) (  -0.65,-107.44)  309.90                80