Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 12.  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   11:06:01   (   0.05,-137.34) (   0.27,-138.25)  104.59                80
 10/15/2022   10:50:15   (   0.05,-137.34) (  -0.75,-133.80)  403.97                80
 10/16/2022   23:09:59   (  -0.04,-137.33) (  -0.46,-139.20)  212.59                80
 10/17/2022   22:54:13   (  -0.04,-137.33) (   0.52,-134.73)  295.67                80
 10/19/2022   11:13:50   (   0.03,-137.32) (   0.67,-140.10)  317.38                80
 10/20/2022   10:58:05   (   0.03,-137.31) (  -0.36,-135.64)  190.60                80
 10/21/2022   23:17:48   (  -0.02,-137.29) (  -0.89,-141.03)  426.75                80
 10/22/2022   23:02:03   (  -0.03,-137.28) (   0.15,-136.58)   81.08                80
 10/25/2022   11:03:13   (   0.02,-137.26) (   0.05,-137.48)   25.32                80