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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2022   23:04:50   (  -0.05,-137.34) (  -0.03,-137.36)    2.52                80
 10/14/2022   11:06:01   (   0.04,-137.35) (   0.27,-138.26)  104.06                80
 10/15/2022   10:50:15   (   0.04,-137.35) (  -0.75,-133.80)  404.57                80
 10/16/2022   23:10:00   (  -0.04,-137.34) (  -0.46,-139.20)  212.18                80
 10/17/2022   22:54:14   (  -0.04,-137.33) (   0.57,-134.74)  296.12                80
 10/19/2022   11:13:50   (   0.03,-137.33) (   0.68,-140.10)  316.51                80
 10/20/2022   10:58:05   (   0.03,-137.32) (  -0.35,-135.64)  191.53                80
 10/21/2022   23:17:49   (  -0.02,-137.31) (  -0.85,-141.04)  425.97                80
 10/22/2022   23:02:03   (  -0.02,-137.30) (   0.13,-136.57)   81.91                80