Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2022   11:03:36   (   0.06,-137.30) (   0.21,-137.94)   73.83                80
 09/18/2022   10:47:50   (   0.06,-137.29) (  -0.78,-133.48)  433.59                80
 09/19/2022   23:07:37   (  -0.05,-137.27) (  -0.39,-138.89)  184.50                80
 09/20/2022   22:51:51   (  -0.04,-137.26) (   0.61,-134.43)  322.66                80
 09/22/2022   11:11:29   (   0.03,-137.24) (   0.60,-139.80)  292.10                80
 09/23/2022   10:55:43   (   0.03,-137.22) (  -0.40,-135.34)  214.76                80
 09/24/2022   23:15:28   (  -0.03,-137.20) (  -0.82,-140.74)  404.02                80
 09/25/2022   22:59:43   (  -0.03,-137.18) (   0.19,-136.28)  102.73                80
 09/28/2022   11:03:35   (   0.03,-137.13) (   0.03,-137.19)    6.62                80