Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2023   21:12:04   (   0.02,-104.66) (   0.02,-104.80)   15.75                80
 10/23/2023   20:56:19   (   0.02,-104.65) (   1.03,-100.33)  493.40                80
 10/25/2023   09:18:35   (  -0.02,-104.68) (   0.24,-105.68)  114.46                80
 10/26/2023   08:57:30   (  -0.02,-104.68) (  -0.78,-101.22)  394.56                80
 10/27/2023   21:19:54   (   0.02,-104.65) (  -0.45,-106.60)  223.87                80
 10/28/2023   21:04:09   (   0.02,-104.64) (   0.57,-102.14)  285.35                80
 10/30/2023   09:26:26   (   0.01,-104.68) (   0.62,-107.50)  321.19                80
 10/31/2023   09:05:20   (   0.01,-104.68) (  -0.34,-103.03)  187.77                80
 11/01/2023   21:27:44   (  -0.02,-104.64) (  -0.87,-108.41)  430.98                80
 11/02/2023   21:11:58   (  -0.01,-104.63) (   0.16,-103.95)   78.10                80