Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 21.  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   21:12:03   (  -0.00,-104.65) (  -0.05,-104.78)   15.25                80
 10/23/2023   20:56:18   (   0.00,-104.65) (   0.96,-100.32)  493.71                80
 10/25/2023   09:18:35   (  -0.00,-104.68) (   0.24,-105.68)  114.15                80
 10/26/2023   08:57:30   (  -0.00,-104.68) (  -0.77,-101.21)  394.75                80
 10/27/2023   21:19:54   (   0.00,-104.64) (  -0.46,-106.60)  223.83                80
 10/28/2023   21:04:09   (   0.00,-104.64) (   0.56,-102.14)  285.32                80
 10/30/2023   09:26:26   (  -0.00,-104.67) (   0.63,-107.50)  322.04                80
 10/31/2023   09:05:20   (   0.00,-104.67) (  -0.40,-103.04)  186.90                80
 11/01/2023   21:27:44   (   0.00,-104.63) (  -0.87,-108.41)  432.12                80
 11/02/2023   21:11:58   (   0.01,-104.63) (   0.16,-103.95)   76.77                80