Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2022   11:14:48   (  -0.01,-137.34) (   0.33,-138.92)  179.99                80
 12/30/2022   10:53:49   (  -0.01,-137.34) (  -0.66,-134.48)  325.79                80
 12/31/2022   23:19:04   (   0.01,-137.33) (  -0.56,-139.92)  294.57                80
 01/01/2023   23:00:44   (  -0.02,-137.33) (   0.38,-135.47)  211.74                80
 01/03/2023   11:20:30   (   0.02,-137.32) (   0.80,-140.88)  404.91                80
 01/04/2023   11:04:50   (   0.02,-137.32) (  -0.19,-136.44)  100.22                80
 01/06/2023   23:06:25   (  -0.02,-137.29) (  -0.07,-137.43)   17.00                80
 01/07/2023   22:50:46   (  -0.02,-137.28) (   0.93,-132.99)  487.95                80
 01/09/2023   11:13:12   (   0.02,-137.26) (   0.25,-138.40)  129.91                80
 01/10/2023   10:52:13   (   0.01,-137.24) (  -0.75,-133.96)  374.45                80