Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2022   23:02:03   (  -0.03,-137.33) (   0.15,-136.57)   86.94                80
 10/25/2022   11:03:14   (   0.03,-137.31) (   0.05,-137.48)   18.06                80
 10/26/2022   10:47:27   (   0.04,-137.30) (  -0.93,-133.01)  489.93                80
 10/27/2022   23:07:12   (  -0.03,-137.28) (  -0.26,-138.41)  127.56                80
 10/28/2022   22:51:25   (  -0.03,-137.27) (   0.72,-133.94)  379.65                80
 10/30/2022   11:11:01   (   0.03,-137.24) (   0.51,-139.30)  235.58                80
 10/31/2022   10:55:16   (   0.03,-137.22) (  -0.54,-134.85)  271.07                80
 11/01/2022   23:14:59   (  -0.02,-137.18) (  -0.71,-140.24)  348.03                80
 11/02/2022   22:59:13   (  -0.02,-137.16) (   0.28,-135.77)  158.55                80
 11/04/2022   11:18:49   (   0.01,-137.13) (   0.94,-141.13)  456.93                80