Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2022   22:11:40   (  -0.27,-128.14) (   0.59,-124.25)  443.78                80
 10/05/2022   10:31:18   (   0.24,-128.25) (   0.56,-129.63)  157.36                80
 10/06/2022   10:15:33   (   0.25,-128.27) (  -0.44,-125.17)  353.20                80
 10/07/2022   22:35:18   (  -0.22,-128.21) (  -0.73,-130.58)  269.29                80
 10/08/2022   22:19:32   (  -0.23,-128.23) (   0.22,-126.10)  241.73                80
 10/10/2022   10:39:10   (   0.21,-128.34) (   0.93,-131.49)  358.75                80
 10/11/2022   10:23:25   (   0.22,-128.36) (  -0.08,-127.03)  151.77                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.15,-132.43)  471.81                80
 10/13/2022   22:27:23   (  -0.21,-128.30) (  -0.13,-127.97)   38.56                80
 10/16/2022   10:28:35   (   0.20,-128.42) (   0.32,-128.88)   52.79                80