Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2022   22:30:07   (  -0.30,-127.83) (  -0.67,-129.45)  184.74                80
 09/22/2022   22:14:21   (  -0.31,-127.87) (   0.33,-124.99)  327.39                80
 09/24/2022   10:34:00   (   0.29,-127.98) (   0.81,-130.38)  272.99                80
 09/25/2022   10:15:34   (   0.30,-128.01) (  -0.19,-125.92)  238.63                80
 09/26/2022   22:38:00   (  -0.27,-127.98) (  -1.02,-131.32)  381.10                80
 09/27/2022   22:22:14   (  -0.28,-128.00) (  -0.01,-126.86)  130.64                80
 09/29/2022   10:41:51   (   0.26,-128.11) (   1.22,-132.23)  470.05                80
 09/30/2022   10:23:26   (   0.28,-128.13) (   0.21,-127.77)   40.79                80
 10/02/2022   22:27:26   (  -0.26,-128.10) (  -0.39,-128.72)   70.84                80
 10/03/2022   22:11:40   (  -0.26,-128.11) (   0.62,-124.26)  439.58                80