Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2023   21:16:05   (  -0.02,-104.66) (  -0.10,-104.88)   26.21                80
 12/16/2023   21:00:18   (   0.00,-104.66) (   0.95,-100.42)  483.40                80
 12/18/2023   09:22:32   (  -0.01,-104.69) (   0.23,-105.77)  122.63                80
 12/19/2023   09:01:25   (  -0.02,-104.69) (  -0.77,-101.29)  387.40                80
 12/20/2023   21:23:48   (   0.02,-104.66) (  -0.44,-106.67)  229.25                80
 12/21/2023   21:08:01   (   0.02,-104.67) (   0.56,-102.20)  281.13                80
 12/23/2023   09:30:15   (  -0.01,-104.70) (   0.61,-107.55)  323.93                80
 12/24/2023   09:09:08   (  -0.00,-104.71) (  -0.39,-103.07)  186.56                80
 12/25/2023   21:31:30   (  -0.02,-104.67) (  -0.86,-108.45)  429.99                80
 12/26/2023   21:15:42   (  -0.02,-104.68) (   0.14,-103.97)   80.25                80