Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2022   11:16:36   (   0.03,-137.32) (   0.86,-140.88)  405.71                80
 10/09/2022   11:00:51   (   0.04,-137.32) (  -0.15,-136.42)  102.63                80
 10/11/2022   23:02:10   (  -0.04,-137.30) (  -0.06,-137.35)    6.61                80
 10/14/2022   11:06:02   (   0.03,-137.28) (   0.24,-138.27)  112.13                80
 10/15/2022   10:50:15   (   0.03,-137.27) (  -0.73,-133.80)  395.21                80
 10/16/2022   23:09:59   (  -0.03,-137.24) (  -0.48,-139.20)  223.67                80
 10/17/2022   22:54:14   (  -0.03,-137.22) (   0.55,-134.74)  283.32                80
 10/19/2022   11:13:51   (   0.02,-137.20) (   0.65,-140.11)  331.10                80
 10/20/2022   10:58:05   (   0.02,-137.18) (  -0.32,-135.64)  175.65                80