Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2022   22:27:26   (  -0.26,-128.12) (  -0.39,-128.72)   67.35                80
 10/03/2022   22:11:41   (  -0.27,-128.14) (   0.62,-124.25)  443.48                80
 10/05/2022   10:31:19   (   0.24,-128.25) (   0.53,-129.64)  157.74                80
 10/06/2022   10:15:34   (   0.25,-128.27) (  -0.47,-125.18)  352.77                80
 10/07/2022   22:35:18   (  -0.22,-128.21) (  -0.76,-130.57)  269.85                80
 10/08/2022   22:19:32   (  -0.23,-128.23) (   0.25,-126.11)  241.06                80
 10/10/2022   10:39:11   (   0.21,-128.34) (   0.91,-131.50)  359.49                80
 10/11/2022   10:23:25   (   0.22,-128.35) (  -0.10,-127.04)  151.00                80
 10/12/2022   22:43:09   (  -0.20,-128.28) (  -1.12,-132.43)  472.73                80
 10/13/2022   22:27:24   (  -0.21,-128.30) (  -0.11,-127.97)   37.70                80