Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/12/2023   08:51:08   (   0.02,-104.73) (  -0.42,-102.88)  211.91                80
 03/13/2023   21:13:38   (  -0.02,-104.75) (  -0.83,-108.29)  404.41                80
 03/14/2023   20:57:57   (  -0.03,-104.75) (   0.19,-103.85)  103.16                80
 03/17/2023   09:01:58   (   0.04,-104.75) (   0.02,-104.79)    4.85                80
 03/19/2023   21:03:26   (  -0.04,-104.76) (  -0.27,-105.75)  113.06                80
 03/20/2023   20:47:44   (  -0.04,-104.77) (   0.77,-101.31)  394.84                80
 03/22/2023   09:10:05   (   0.04,-104.77) (   0.50,-106.68)  218.50                80
 03/23/2023   08:49:04   (   0.04,-104.78) (  -0.54,-102.24)  289.36                80
 03/24/2023   21:11:33   (  -0.04,-104.79) (  -0.72,-107.65)  327.06                80
 03/25/2023   20:55:52   (  -0.05,-104.79) (   0.33,-103.21)  181.09                80