Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2022   10:23:40   (  -0.26,-128.38) (  -0.20,-128.64)   29.54                80
 07/17/2022   10:07:54   (  -0.24,-128.36) (  -1.16,-124.17)  477.32                80
 07/18/2022   22:27:42   (   0.27,-128.33) (  -0.02,-129.59)  143.80                80
 07/19/2022   22:11:57   (   0.26,-128.31) (   1.00,-125.13)  363.29                80
 07/21/2022   10:31:36   (  -0.29,-128.31) (   0.18,-130.51)  250.93                80
 07/22/2022   10:15:50   (  -0.28,-128.29) (  -0.78,-126.05)  255.51                80
 07/23/2022   22:35:37   (   0.31,-128.24) (  -0.41,-131.46)  367.30                80
 07/24/2022   22:19:52   (   0.31,-128.22) (   0.56,-127.00)  139.04                80
 07/26/2022   10:39:30   (  -0.34,-128.21) (   0.61,-132.38)  475.50                80
 07/27/2022   10:23:46   (  -0.33,-128.18) (  -0.41,-127.92)   30.33                80
 07/29/2022   22:25:08   (   0.35,-128.10) (   0.19,-128.87)   88.24                80