Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 14.  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   09:31:25   (   0.02,-104.69) (   0.86,-108.45)  428.43                80
 11/16/2023   09:10:18   (   0.02,-104.68) (  -0.14,-103.97)   80.68                80
 11/18/2023   21:14:16   (  -0.01,-104.64) (  -0.04,-104.90)   28.28                80
 11/19/2023   20:58:30   (  -0.00,-104.64) (   0.97,-100.43)  481.22                80
 11/21/2023   09:20:45   (   0.01,-104.67) (   0.26,-105.77)  125.60                80
 11/22/2023   08:59:39   (   0.00,-104.67) (  -0.74,-101.30)  383.88                80
 11/23/2023   21:24:42   (  -0.01,-104.64) (  -0.48,-106.69)  233.38                80
 11/24/2023   21:03:35   (  -0.01,-104.64) (   0.53,-102.22)  276.45                80
 11/26/2023   09:28:31   (   0.02,-104.68) (   0.69,-107.57)  329.58                80
 11/27/2023   09:07:24   (   0.02,-104.68) (  -0.33,-103.10)  179.98                80