Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/23/2023   08:49:04   (   0.00,-104.74) (  -0.55,-102.24)  284.22                80
 03/24/2023   21:11:35   (  -0.00,-104.75) (  -0.68,-107.66)  332.01                80
 03/25/2023   20:55:53   (  -0.01,-104.76) (   0.37,-103.22)  176.25                80
 03/27/2023   09:18:15   (   0.01,-104.77) (   0.88,-108.59)  436.24                80
 03/28/2023   08:57:12   (   0.02,-104.77) (  -0.11,-104.14)   71.80                80
 03/30/2023   21:01:20   (  -0.02,-104.79) (  -0.12,-105.10)   36.70                80
 03/31/2023   20:45:38   (  -0.03,-104.80) (   0.93,-100.67)  471.79                80
 04/02/2023   09:08:00   (   0.03,-104.81) (   0.29,-106.05)  140.15                80
 04/03/2023   08:46:57   (   0.03,-104.82) (  -0.71,-101.59)  368.17                80
 04/04/2023   21:09:28   (  -0.03,-104.83) (  -0.50,-107.01)  248.31                80
 04/05/2023   20:53:45   (  -0.03,-104.84) (   0.51,-102.56)  260.34                80