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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2023   09:33:16   (  -0.00,-104.69) (   0.86,-108.45)  429.21                80
 12/13/2023   09:12:09   (   0.00,-104.69) (  -0.13,-103.98)   80.76                80
 12/15/2023   21:16:05   (  -0.02,-104.66) (  -0.09,-104.88)   26.57                80
 12/16/2023   21:00:18   (  -0.02,-104.66) (   0.95,-100.42)  483.56                80
 12/18/2023   09:22:31   (   0.02,-104.69) (   0.29,-105.75)  122.29                80
 12/19/2023   09:01:25   (   0.02,-104.69) (  -0.76,-101.29)  387.77                80
 12/20/2023   21:23:47   (  -0.03,-104.66) (  -0.50,-106.66)  229.09                80
 12/21/2023   21:08:01   (  -0.03,-104.66) (   0.55,-102.20)  281.21                80
 12/23/2023   09:30:14   (   0.03,-104.70) (   0.68,-107.54)  324.08                80
 12/24/2023   09:09:07   (   0.03,-104.70) (  -0.31,-103.06)  186.03                80
 12/25/2023   21:31:30   (  -0.04,-104.66) (  -0.89,-108.44)  431.14                80