Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 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)
 12/04/2022   23:11:07   (  -0.00,-137.31) (  -0.35,-138.95)  186.07                80
 12/05/2022   22:55:27   (  -0.00,-137.30) (   0.62,-134.50)  318.92                80
 12/07/2022   11:17:53   (   0.01,-137.29) (   0.61,-139.91)  298.24                80
 12/08/2022   10:56:55   (   0.01,-137.28) (  -0.42,-135.48)  206.32                80
 12/09/2022   23:19:30   (  -0.02,-137.26) (  -0.83,-140.92)  416.86                80
 12/10/2022   23:03:51   (  -0.03,-137.24) (   0.14,-136.47)   87.34                80
 12/13/2022   11:07:58   (   0.03,-137.20) (   0.10,-137.44)   26.96                80
 12/14/2022   10:46:59   (   0.03,-137.19) (  -0.93,-133.01)  476.83                80
 12/15/2022   23:09:34   (  -0.04,-137.15) (  -0.31,-138.45)  147.44                80
 12/16/2022   22:53:55   (  -0.04,-137.13) (   0.67,-134.01)  356.12                80