Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2022   10:35:20   (   0.29,-127.98) (   0.80,-130.38)  272.56                 0
 09/25/2022   10:15:35   (   0.30,-128.01) (  -0.19,-125.92)  239.15                80
 09/26/2022   22:38:00   (  -0.27,-127.98) (  -1.02,-131.32)  380.43                80
 09/27/2022   22:22:14   (  -0.28,-128.01) (  -0.01,-126.86)  131.38                80
 09/29/2022   10:41:53   (   0.26,-128.12) (   1.17,-132.24)  469.24                80
 09/30/2022   10:26:07   (   0.27,-128.14) (   0.16,-127.78)   41.72                80
 10/02/2022   22:27:26   (  -0.26,-128.11) (  -0.41,-128.72)   69.78                80
 10/03/2022   22:11:41   (  -0.27,-128.12) (   0.60,-124.25)  440.71                80
 10/05/2022   10:31:19   (   0.24,-128.22) (   0.56,-129.64)  161.40                80
 10/06/2022   10:15:33   (   0.25,-128.24) (  -0.44,-125.18)  348.73                80
 10/07/2022   22:35:18   (  -0.22,-128.17) (  -0.79,-130.57)  274.13                80