Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2022   10:55:33   (   0.02,-137.32) (  -0.52,-134.91)  275.20                80
 11/01/2022   23:15:28   (  -0.02,-137.31) (  -0.68,-140.35)  347.16                80
 11/02/2022   22:59:48   (  -0.02,-137.30) (   0.30,-135.92)  157.91                80
 11/04/2022   11:19:35   (   0.01,-137.30) (   0.92,-141.32)  458.86                80
 11/05/2022   11:03:55   (   0.01,-137.29) (  -0.10,-136.89)   46.42                80
 11/07/2022   23:05:28   (  -0.01,-137.26) (  -0.14,-137.88)   70.44                80
 11/08/2022   22:49:48   (  -0.02,-137.24) (   0.86,-133.44)  434.65                80
 11/10/2022   11:09:32   (   0.01,-137.23) (   0.36,-138.83)  182.38                80
 11/11/2022   10:53:50   (   0.01,-137.21) (  -0.61,-134.38)  322.42                80
 11/12/2022   23:13:42   (  -0.01,-137.18) (  -0.62,-139.81)  300.40                80