Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2023   20:45:38   (  -0.01,-104.75) (   0.91,-100.66)  467.04                80
 04/02/2023   09:07:59   (   0.01,-104.76) (   0.30,-106.04)  146.05                80
 04/03/2023   08:46:57   (   0.01,-104.76) (  -0.70,-101.59)  361.52                80
 04/04/2023   21:09:27   (  -0.00,-104.76) (  -0.50,-107.01)  255.90                80
 04/05/2023   20:53:44   (  -0.00,-104.76) (   0.51,-102.56)  252.03                80
 04/07/2023   09:16:05   (  -0.00,-104.77) (   0.74,-107.93)  360.34                80
 04/08/2023   08:55:02   (  -0.01,-104.77) (  -0.28,-103.48)  147.12                80
 04/09/2023   21:17:33   (   0.02,-104.76) (  -0.91,-108.90)  471.40                80
 04/10/2023   21:01:50   (   0.02,-104.76) (   0.12,-104.45)   36.09                80
 04/13/2023   09:05:47   (  -0.03,-104.76) (   0.14,-105.37)   69.53                80