Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 14.  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   10:23:39   (  -0.26,-128.38) (  -0.18,-128.63)   29.39                80
 07/17/2022   10:07:55   (  -0.24,-128.36) (  -1.20,-124.18)  477.59                80
 07/18/2022   22:27:42   (   0.27,-128.33) (   0.02,-129.60)  143.83                80
 07/19/2022   22:11:57   (   0.26,-128.32) (   0.98,-125.13)  363.34                80
 07/21/2022   10:31:35   (  -0.29,-128.31) (   0.20,-130.51)  250.43                80
 07/22/2022   10:15:50   (  -0.28,-128.29) (  -0.77,-126.04)  256.06                80
 07/23/2022   22:35:37   (   0.31,-128.24) (  -0.42,-131.46)  367.02                80
 07/24/2022   22:19:52   (   0.31,-128.22) (   0.60,-127.01)  139.37                80
 07/26/2022   10:39:30   (  -0.34,-128.22) (   0.62,-132.38)  474.75                80
 07/27/2022   10:23:45   (  -0.33,-128.19) (  -0.40,-127.92)   31.07                80