Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2023   21:03:26   (  -0.02,-104.75) (  -0.25,-105.75)  114.24                80
 03/20/2023   20:47:44   (  -0.02,-104.75) (   0.78,-101.31)  393.10                80
 03/22/2023   09:10:06   (   0.01,-104.75) (   0.48,-106.68)  221.75                80
 03/23/2023   08:49:04   (   0.01,-104.75) (  -0.56,-102.24)  285.62                80
 03/24/2023   21:11:35   (  -0.01,-104.76) (  -0.66,-107.66)  330.85                80
 03/25/2023   20:55:52   (  -0.02,-104.76) (   0.33,-103.21)  176.93                80
 03/27/2023   09:18:14   (  -0.01,-104.75) (   0.85,-108.60)  437.94                80
 03/28/2023   08:57:12   (  -0.00,-104.75) (  -0.15,-104.15)   69.45                80
 03/30/2023   21:01:19   (   0.00,-104.76) (  -0.10,-105.10)   39.94                80
 03/31/2023   20:45:36   (  -0.00,-104.76) (   0.90,-100.65)  468.05                80