Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2022   10:31:18   (   0.24,-128.25) (   0.57,-129.63)  157.27                80
 10/06/2022   10:15:33   (   0.25,-128.27) (  -0.43,-125.17)  353.33                80
 10/07/2022   22:35:18   (  -0.22,-128.21) (  -0.75,-130.57)  269.05                80
 10/08/2022   22:19:33   (  -0.23,-128.23) (   0.27,-126.11)  241.97                80
 10/10/2022   10:39:10   (   0.21,-128.35) (   0.95,-131.48)  358.53                80
 10/11/2022   10:23:24   (   0.22,-128.36) (  -0.07,-127.03)  152.01                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.16,-132.42)  471.50                80
 10/13/2022   22:27:23   (  -0.21,-128.31) (  -0.14,-127.96)   38.92                80
 10/16/2022   10:28:36   (   0.20,-128.42) (   0.28,-128.89)   52.44                80
 10/17/2022   10:12:50   (   0.20,-128.43) (  -0.68,-124.42)  457.27                80