Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2023   21:16:47   (   0.00,-104.69) (  -0.50,-106.82)  243.59                80
 08/24/2023   21:01:04   (   0.00,-104.69) (   0.52,-102.37)  265.15                80
 08/26/2023   09:23:23   (   0.00,-104.73) (   0.66,-107.74)  342.58                80
 08/27/2023   09:02:19   (   0.01,-104.73) (  -0.30,-103.28)  165.75                80
 08/28/2023   21:24:47   (  -0.01,-104.70) (  -0.94,-108.68)  454.59                80
 08/29/2023   21:09:03   (  -0.02,-104.70) (   0.09,-104.23)   54.02                80
 09/01/2023   09:12:58   (   0.02,-104.75) (   0.12,-105.14)   44.47                80
 09/02/2023   08:51:55   (   0.02,-104.75) (  -0.91,-100.68)  464.20                80
 09/03/2023   21:14:23   (  -0.02,-104.72) (  -0.31,-106.09)  155.64                80
 09/04/2023   20:58:39   (  -0.02,-104.73) (   0.66,-101.62)  353.32                80
 09/06/2023   09:20:58   (   0.03,-104.77) (   0.51,-107.00)  253.39                80