Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2022   11:06:00   (   0.05,-137.34) (   0.28,-138.25)  104.83                80
 10/15/2022   10:50:15   (   0.05,-137.34) (  -0.74,-133.79)  403.65                80
 10/16/2022   23:09:59   (  -0.04,-137.33) (  -0.46,-139.19)  212.88                80
 10/17/2022   22:54:14   (  -0.04,-137.32) (   0.57,-134.74)  295.28                80
 10/19/2022   11:13:50   (   0.03,-137.31) (   0.67,-140.10)  318.04                80
 10/20/2022   10:58:05   (   0.03,-137.30) (  -0.36,-135.64)  189.85                80
 10/21/2022   23:17:48   (  -0.02,-137.29) (  -0.89,-141.03)  427.50                80
 10/22/2022   23:02:02   (  -0.03,-137.27) (   0.15,-136.57)   80.26                80
 10/25/2022   11:03:12   (   0.02,-137.24) (   0.10,-137.47)   26.46                80
 10/26/2022   10:47:27   (   0.03,-137.22) (  -0.94,-133.01)  480.74                80