Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 10.  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) (   0.93,-131.48)  358.41                80
 10/11/2022   10:23:24   (   0.22,-128.36) (  -0.09,-127.03)  152.08                80
 10/12/2022   22:43:09   (  -0.20,-128.29) (  -1.13,-132.42)  470.59                80
 10/13/2022   22:27:23   (  -0.21,-128.31) (  -0.11,-127.96)   39.90                80
 10/16/2022   10:28:35   (   0.20,-128.42) (   0.28,-128.88)   52.38                80
 10/17/2022   10:12:48   (   0.20,-128.42) (  -0.69,-124.41)  457.31                80
 10/18/2022   22:32:33   (  -0.18,-128.35) (  -0.52,-129.81)  166.83                80
 10/19/2022   22:16:47   (  -0.18,-128.35) (   0.51,-125.35)  342.95                80
 10/21/2022   10:36:25   (   0.16,-128.45) (   0.68,-130.72)  259.49                80
 10/22/2022   10:20:39   (   0.17,-128.45) (  -0.35,-126.27)  249.95                80
 10/23/2022   22:40:22   (  -0.14,-128.37) (  -0.90,-131.66)  375.18                80