Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2023   09:22:33   (  -0.01,-104.69) (   0.21,-105.77)  122.28                80
 12/19/2023   09:01:25   (  -0.02,-104.69) (  -0.78,-101.29)  387.81                80
 12/20/2023   21:23:48   (   0.02,-104.67) (  -0.42,-106.68)  228.79                80
 12/21/2023   21:08:01   (   0.02,-104.67) (   0.58,-102.20)  281.66                80
 12/23/2023   09:30:14   (  -0.00,-104.71) (   0.64,-107.54)  323.04                80
 12/24/2023   09:09:07   (   0.02,-104.71) (  -0.35,-103.06)  187.71                80
 12/25/2023   21:31:29   (  -0.02,-104.68) (  -0.90,-108.44)  429.13                80
 12/26/2023   21:15:43   (  -0.02,-104.68) (   0.16,-103.97)   81.19                80
 12/29/2023   09:19:28   (   0.01,-104.72) (   0.05,-104.84)   13.53                80
 12/30/2023   08:58:21   (   0.00,-104.73) (  -0.96,-100.36)  496.86                80