Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2022   22:43:08   (  -0.20,-128.30) (  -1.14,-132.42)  470.35                80
 10/13/2022   22:27:23   (  -0.21,-128.31) (  -0.11,-127.96)   40.04                80
 10/16/2022   10:28:35   (   0.20,-128.41) (   0.28,-128.88)   52.69                80
 10/17/2022   10:12:48   (   0.20,-128.42) (  -0.69,-124.41)  456.94                80
 10/18/2022   22:32:32   (  -0.18,-128.34) (  -0.51,-129.81)  166.92                80
 10/19/2022   22:16:47   (  -0.18,-128.35) (   0.52,-125.35)  342.83                80
 10/21/2022   10:36:24   (   0.16,-128.44) (   0.66,-130.72)  260.01                80
 10/22/2022   10:20:38   (   0.17,-128.44) (  -0.32,-126.25)  249.36                80
 10/23/2022   22:40:22   (  -0.14,-128.36) (  -0.87,-131.66)  375.51                80
 10/24/2022   22:24:36   (  -0.15,-128.36) (   0.11,-127.19)  133.86                80