Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2022   10:15:33   (   0.25,-128.27) (  -0.47,-125.17)  353.41                80
 10/07/2022   22:35:18   (  -0.22,-128.21) (  -0.76,-130.57)  268.65                80
 10/08/2022   22:19:32   (  -0.23,-128.23) (   0.25,-126.11)  242.40                80
 10/10/2022   10:39:10   (   0.21,-128.35) (   0.90,-131.49)  358.27                80
 10/11/2022   10:23:24   (   0.22,-128.36) (  -0.06,-127.02)  152.31                80
 10/12/2022   22:43:09   (  -0.20,-128.30) (  -1.11,-132.43)  470.92                80
 10/13/2022   22:27:23   (  -0.21,-128.31) (  -0.15,-127.96)   39.55                80
 10/16/2022   10:28:36   (   0.20,-128.42) (   0.27,-128.89)   51.97                80
 10/17/2022   10:12:49   (   0.20,-128.43) (  -0.69,-124.41)  457.82                80
 10/18/2022   22:32:33   (  -0.18,-128.35) (  -0.52,-129.81)  166.83                80
 10/19/2022   22:16:48   (  -0.18,-128.36) (   0.51,-125.36)  342.97                80