Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 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)
 03/22/2023   09:10:06   (   0.00,-104.73) (   0.47,-106.69)  223.71                80
 03/23/2023   08:49:05   (   0.00,-104.74) (  -0.56,-102.24)  284.36                80
 03/24/2023   21:11:35   (  -0.01,-104.75) (  -0.66,-107.66)  331.57                80
 03/25/2023   20:55:52   (  -0.01,-104.76) (   0.32,-103.21)  176.77                80
 03/27/2023   09:18:15   (   0.01,-104.77) (   0.87,-108.60)  435.80                80
 03/28/2023   08:57:12   (   0.02,-104.78) (  -0.12,-104.14)   72.29                80
 03/30/2023   21:01:20   (  -0.03,-104.80) (  -0.10,-105.11)   35.71                80
 03/31/2023   20:45:38   (  -0.03,-104.81) (   0.89,-100.66)  472.75                80
 04/02/2023   09:07:59   (   0.03,-104.82) (   0.33,-106.04)  139.25                80
 04/03/2023   08:46:56   (   0.03,-104.83) (  -0.68,-101.59)  369.17                80
 04/04/2023   21:09:27   (  -0.03,-104.84) (  -0.53,-107.01)  247.02                80