Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2023   09:10:45   (  -0.02,-104.71) (  -0.03,-104.68)    3.71                80
 10/11/2023   21:14:46   (   0.02,-104.69) (  -0.17,-105.62)  105.59                80
 10/12/2023   20:59:00   (   0.02,-104.69) (   0.82,-101.15)  403.59                80
 10/14/2023   09:21:18   (  -0.02,-104.72) (   0.41,-106.51)  204.47                80
 10/15/2023   09:00:12   (   0.01,-104.72) (  -0.58,-102.04)  305.31                80
 10/16/2023   21:22:38   (  -0.03,-104.69) (  -0.64,-107.43)  312.52                80
 10/17/2023   21:06:52   (  -0.03,-104.69) (   0.36,-102.97)  196.39                80
 10/19/2023   09:29:09   (   0.03,-104.71) (   0.86,-108.32)  411.93                80
 10/20/2023   09:08:04   (   0.03,-104.71) (  -0.15,-103.86)   96.46                80
 10/22/2023   21:12:04   (  -0.03,-104.66) (  -0.03,-104.79)   14.28                80