Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 5.  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   10:31:19   (   0.24,-128.25) (   0.55,-129.63)  157.27                80
 10/06/2022   10:15:33   (   0.25,-128.27) (  -0.46,-125.17)  353.30                80
 10/07/2022   22:35:17   (  -0.22,-128.21) (  -0.78,-130.57)  268.99                80
 10/08/2022   22:19:32   (  -0.23,-128.23) (   0.23,-126.11)  242.04                80
 10/10/2022   10:39:10   (   0.21,-128.35) (   0.92,-131.49)  358.53                80
 10/11/2022   10:23:25   (   0.22,-128.36) (  -0.09,-127.03)  152.00                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.13,-132.43)  471.42                80
 10/13/2022   22:27:24   (  -0.21,-128.31) (  -0.12,-127.97)   39.00                80
 10/16/2022   10:28:35   (   0.20,-128.42) (   0.31,-128.88)   52.41                80
 10/17/2022   10:12:50   (   0.20,-128.43) (  -0.71,-124.42)  457.27                80
 10/18/2022   22:32:34   (  -0.18,-128.35) (  -0.51,-129.82)  167.60                80