Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/23/2023   20:56:18   (   0.01,-104.65) (   0.97,-100.32)  493.73                80
 10/25/2023   09:18:35   (  -0.01,-104.68) (   0.23,-105.68)  114.10                80
 10/26/2023   08:57:30   (  -0.01,-104.68) (  -0.78,-101.22)  394.83                80
 10/27/2023   21:19:54   (  -0.01,-104.65) (  -0.45,-106.60)  223.02                80
 10/28/2023   21:04:09   (  -0.02,-104.65) (   0.57,-102.14)  286.41                80
 10/30/2023   09:26:25   (   0.03,-104.68) (   0.68,-107.49)  320.70                80
 10/31/2023   09:05:20   (   0.03,-104.68) (  -0.34,-103.03)  188.22                80
 11/01/2023   21:27:44   (  -0.03,-104.64) (  -0.87,-108.41)  430.43                80
 11/02/2023   21:11:57   (  -0.03,-104.64) (   0.10,-103.94)   78.73                80
 11/05/2023   09:15:49   (   0.03,-104.67) (   0.05,-104.84)   19.13                80