Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2023   09:16:29   (   0.01,-104.74) (   0.50,-106.83)  239.57                80
 07/04/2023   08:55:26   (   0.01,-104.73) (  -0.52,-102.38)  267.49                80
 07/05/2023   21:17:56   (  -0.00,-104.70) (  -0.69,-107.80)  353.15                80
 07/06/2023   21:02:13   (   0.00,-104.70) (   0.33,-103.35)  154.43                80
 07/08/2023   09:24:35   (  -0.01,-104.73) (   0.89,-108.72)  455.69                80
 07/09/2023   09:03:32   (  -0.01,-104.73) (  -0.13,-104.28)   51.89                80
 07/11/2023   21:07:38   (   0.01,-104.69) (  -0.11,-105.23)   60.67                80
 07/12/2023   20:51:55   (   0.01,-104.70) (   0.92,-100.78)  447.23                80
 07/14/2023   09:14:17   (  -0.01,-104.73) (   0.30,-106.16)  162.38                80
 07/15/2023   08:53:13   (  -0.01,-104.73) (  -0.67,-101.70)  345.12                80