Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/10/2023   09:23:38   (   0.00,-104.68) (   0.44,-106.65)  223.81                80
 11/11/2023   09:02:31   (   0.00,-104.68) (  -0.55,-102.17)  285.66                80
 11/12/2023   21:24:56   (   0.00,-104.65) (  -0.63,-107.57)  331.68                80
 11/13/2023   21:09:09   (  -0.00,-104.65) (   0.36,-103.10)  177.85                80
 11/15/2023   09:31:24   (   0.00,-104.68) (   0.89,-108.44)  429.46                80
 11/16/2023   09:10:19   (   0.01,-104.68) (  -0.17,-103.98)   79.69                80
 11/18/2023   21:14:16   (  -0.01,-104.63) (  -0.05,-104.89)   29.56                80
 11/19/2023   20:58:29   (  -0.01,-104.63) (   0.96,-100.42)  479.72                80
 11/21/2023   09:20:45   (   0.00,-104.66) (   0.27,-105.77)  127.44                80
 11/22/2023   08:59:38   (   0.00,-104.66) (  -0.74,-101.30)  381.93                80
 11/23/2023   21:22:02   (  -0.00,-104.62) (  -0.47,-106.69)  235.94                80