Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2022   22:22:14   (  -0.29,-128.01) (  -0.05,-126.85)  131.97                80
 09/29/2022   10:41:52   (   0.27,-128.13) (   1.20,-132.23)  468.29                80
 09/30/2022   10:26:06   (   0.27,-128.15) (   0.19,-127.77)   42.67                80
 10/02/2022   22:27:26   (  -0.26,-128.12) (  -0.38,-128.72)   68.49                80
 10/03/2022   22:11:41   (  -0.27,-128.13) (   0.63,-124.26)  442.15                80
 10/05/2022   10:31:19   (   0.24,-128.24) (   0.53,-129.64)  159.60                80
 10/06/2022   10:15:33   (   0.25,-128.25) (  -0.42,-125.17)  350.71                80
 10/07/2022   22:35:18   (  -0.22,-128.19) (  -0.76,-130.58)  272.05                80
 10/08/2022   22:19:33   (  -0.23,-128.21) (   0.26,-126.12)  238.66                80
 10/10/2022   10:39:11   (   0.21,-128.32) (   0.90,-131.50)  362.43                80