Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 28.  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   10:41:52   (   0.27,-128.13) (   1.22,-132.23)  468.02                80
 09/30/2022   10:23:26   (   0.28,-128.15) (   0.22,-127.77)   43.09                80
 10/02/2022   22:27:26   (  -0.26,-128.12) (  -0.41,-128.71)   68.10                80
 10/03/2022   22:11:40   (  -0.27,-128.14) (   0.60,-124.25)  442.58                80
 10/05/2022   10:31:19   (   0.24,-128.24) (   0.55,-129.64)  158.96                80
 10/06/2022   10:15:33   (   0.25,-128.26) (  -0.45,-125.18)  351.37                80
 10/07/2022   22:35:18   (  -0.22,-128.20) (  -0.79,-130.57)  271.41                80
 10/08/2022   22:19:32   (  -0.23,-128.21) (   0.23,-126.11)  239.37                80
 10/10/2022   10:39:10   (   0.21,-128.32) (   0.93,-131.49)  361.54                80
 10/11/2022   10:23:25   (   0.22,-128.34) (  -0.08,-127.03)  148.76                80