Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2022   22:32:33   (  -0.18,-128.35) (  -0.50,-129.80)  165.63                80
 10/19/2022   22:16:46   (  -0.19,-128.36) (   0.48,-125.33)  344.12                80
 10/21/2022   10:36:25   (   0.16,-128.44) (   0.65,-130.72)  259.59                80
 10/22/2022   10:20:38   (   0.17,-128.44) (  -0.33,-126.25)  249.79                80
 10/23/2022   22:40:22   (  -0.14,-128.37) (  -0.86,-131.65)  374.21                80
 10/24/2022   22:24:36   (  -0.16,-128.37) (   0.12,-127.19)  135.19                80
 10/26/2022   10:44:13   (   0.13,-128.45) (   1.05,-132.56)  468.75                80
 10/27/2022   10:28:27   (   0.14,-128.44) (   0.06,-128.09)   39.84                80
 10/29/2022   22:29:44   (  -0.13,-128.34) (  -0.31,-129.01)   78.06                80
 10/30/2022   22:13:58   (  -0.14,-128.33) (   0.73,-124.56)  430.05                80