Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2022   10:39:10   (   0.21,-128.34) (   0.92,-131.49)  358.54                80
 10/11/2022   10:23:24   (   0.22,-128.36) (  -0.10,-127.03)  151.95                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.12,-132.42)  470.88                80
 10/13/2022   22:27:22   (  -0.21,-128.31) (  -0.16,-127.95)   39.63                80
 10/16/2022   10:28:35   (   0.20,-128.41) (   0.27,-128.88)   52.59                80
 10/17/2022   10:12:49   (   0.20,-128.42) (  -0.69,-124.41)  457.12                80
 10/18/2022   22:32:33   (  -0.18,-128.34) (  -0.51,-129.81)  167.15                80
 10/19/2022   22:16:47   (  -0.18,-128.35) (   0.52,-125.35)  342.61                80
 10/21/2022   10:36:25   (   0.16,-128.45) (   0.67,-130.73)  259.72                80
 10/22/2022   10:20:38   (   0.17,-128.45) (  -0.30,-126.26)  249.71                80