Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 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)
 11/15/2023   09:31:24   (   0.02,-104.69) (   0.90,-108.44)  428.38                80
 11/16/2023   09:10:19   (   0.02,-104.68) (  -0.16,-103.98)   80.73                80
 11/18/2023   21:16:56   (  -0.01,-104.64) (  -0.08,-104.89)   28.08                80
 11/19/2023   20:58:30   (  -0.00,-104.64) (   0.98,-100.43)  481.27                80
 11/21/2023   09:20:45   (   0.01,-104.67) (   0.25,-105.78)  125.60                80
 11/22/2023   08:59:39   (   0.00,-104.67) (  -0.76,-101.31)  383.84                80
 11/23/2023   21:24:42   (  -0.01,-104.64) (  -0.47,-106.69)  233.42                80
 11/24/2023   21:03:36   (  -0.01,-104.64) (   0.54,-102.22)  276.35                80
 11/26/2023   09:28:31   (   0.02,-104.68) (   0.68,-107.57)  329.73                80
 11/27/2023   09:07:25   (   0.02,-104.68) (  -0.33,-103.10)  179.78                80
 11/28/2023   21:32:28   (  -0.03,-104.64) (  -0.89,-108.48)  437.89                80