Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/29/2022   10:41:53   (   0.27,-128.13) (   1.16,-132.24)  467.88                80
 09/30/2022   10:26:07   (   0.28,-128.15) (   0.16,-127.78)   43.32                80
 10/02/2022   22:27:26   (  -0.26,-128.12) (  -0.41,-128.71)   67.84                80
 10/03/2022   22:11:40   (  -0.27,-128.14) (   0.59,-124.25)  442.92                80
 10/05/2022   10:31:19   (   0.24,-128.25) (   0.56,-129.63)  158.52                80
 10/06/2022   10:15:33   (   0.25,-128.26) (  -0.44,-125.17)  351.86                80
 10/07/2022   22:35:19   (  -0.22,-128.20) (  -0.74,-130.58)  270.88                80
 10/08/2022   22:19:33   (  -0.23,-128.22) (   0.27,-126.12)  239.95                80
 10/10/2022   10:39:10   (   0.21,-128.33) (   0.95,-131.49)  360.88                80
 10/11/2022   10:23:25   (   0.22,-128.34) (  -0.06,-127.03)  149.47                80
 10/12/2022   22:43:10   (  -0.20,-128.27) (  -1.11,-132.44)  474.35                80