Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2022   10:53:01   (   0.04,-137.34) (  -0.59,-134.58)  314.86                80
 10/05/2022   23:12:45   (  -0.03,-137.32) (  -0.65,-139.97)  302.53                80
 10/06/2022   22:57:00   (  -0.03,-137.32) (   0.36,-135.51)  205.87                80
 10/08/2022   11:16:37   (   0.03,-137.33) (   0.85,-140.88)  405.86                80
 10/09/2022   11:00:51   (   0.03,-137.32) (  -0.16,-136.42)  102.50                80
 10/11/2022   23:02:10   (  -0.03,-137.30) (  -0.06,-137.36)    7.21                80
 10/14/2022   11:06:02   (   0.03,-137.29) (   0.26,-138.27)  112.23                80
 10/15/2022   10:50:17   (   0.03,-137.27) (  -0.76,-133.81)  395.07                80
 10/16/2022   23:10:01   (  -0.02,-137.24) (  -0.46,-139.21)  224.09                80
 10/17/2022   22:54:15   (  -0.02,-137.22) (   0.56,-134.75)  282.87                80