Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2023   13:06:12   (  -0.20,-165.62) (  -0.30,-165.15)   52.96                80
 06/29/2023   01:13:03   (   0.23,-166.57) (   0.34,-166.17)   46.76                80
 07/01/2023   13:17:06   (  -0.25,-167.52) (  -0.36,-167.15)   42.72                80
 07/04/2023   01:21:16   (   0.27,-168.44) (   0.35,-168.15)   32.88                80
 07/06/2023   13:22:38   (  -0.28,-169.36) (  -0.32,-169.12)   26.71                80
 07/09/2023   01:29:27   (   0.30,-170.27) (   0.33,-170.13)   15.80                80