Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2022   22:41:22   (  -0.06,-137.31) (   0.91,-132.95)  497.33                80
 08/10/2022   11:06:19   (   0.06,-137.31) (   0.28,-138.32)  114.92                80
 08/11/2022   10:45:14   (   0.06,-137.30) (  -0.69,-133.85)  392.59                80
 08/12/2022   23:07:41   (  -0.06,-137.28) (  -0.50,-139.27)  226.33                80
 08/13/2022   22:51:56   (  -0.05,-137.28) (   0.47,-134.80)  281.27                80
 08/15/2022   11:11:33   (   0.05,-137.28) (   0.71,-140.18)  331.14                80
 08/16/2022   10:55:48   (   0.05,-137.27) (  -0.32,-135.73)  176.30                80
 08/17/2022   23:15:35   (  -0.05,-137.24) (  -0.93,-141.13)  443.20                80
 08/18/2022   22:59:50   (  -0.05,-137.23) (   0.11,-136.68)   63.91                80
 08/21/2022   11:01:02   (   0.04,-137.21) (   0.10,-137.59)   43.30                80