Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2022   10:23:24   (   0.22,-128.35) (  -0.06,-127.02)  152.02                80
 10/12/2022   22:43:08   (  -0.20,-128.30) (  -1.16,-132.42)  470.51                80
 10/13/2022   22:27:23   (  -0.21,-128.31) (  -0.14,-127.96)   39.87                80
 10/16/2022   10:28:34   (   0.20,-128.41) (   0.31,-128.87)   52.55                80
 10/17/2022   10:12:49   (   0.20,-128.42) (  -0.72,-124.41)  457.06                80
 10/18/2022   22:32:33   (  -0.18,-128.34) (  -0.48,-129.81)  166.94                80
 10/19/2022   22:16:47   (  -0.18,-128.35) (   0.49,-125.34)  342.82                80
 10/21/2022   10:36:24   (   0.16,-128.44) (   0.70,-130.72)  259.84                80
 10/22/2022   10:20:39   (   0.17,-128.45) (  -0.34,-126.26)  249.57                80
 10/23/2022   22:40:23   (  -0.14,-128.36) (  -0.85,-131.66)  375.43                80
 10/24/2022   22:24:36   (  -0.15,-128.37) (   0.12,-127.19)  133.97                80