Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2022   22:19:32   (  -0.23,-128.24) (   0.24,-126.11)  242.70                80
 10/10/2022   10:39:10   (   0.21,-128.34) (   0.90,-131.49)  358.47                80
 10/11/2022   10:23:24   (   0.22,-128.36) (  -0.06,-127.02)  152.05                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.11,-132.43)  470.86                80
 10/13/2022   22:27:22   (  -0.21,-128.31) (  -0.14,-127.96)   39.57                80
 10/16/2022   10:28:34   (   0.20,-128.42) (   0.32,-128.87)   52.36                80
 10/17/2022   10:12:49   (   0.20,-128.42) (  -0.71,-124.41)  457.33                80
 10/18/2022   22:32:33   (  -0.18,-128.35) (  -0.49,-129.81)  167.01                80
 10/19/2022   22:16:47   (  -0.18,-128.35) (   0.48,-125.34)  342.77                80
 10/21/2022   10:36:25   (   0.16,-128.45) (   0.65,-130.73)  259.45                80