Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 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)
 09/14/2022   10:18:13   (   0.34,-127.64) (   0.14,-126.64)  113.96                80
 09/16/2022   22:22:14   (  -0.33,-127.51) (  -0.33,-127.59)    7.99                80
 09/17/2022   22:06:28   (  -0.33,-127.48) (   0.66,-123.12)  497.45                80
 09/19/2022   10:28:46   (   0.31,-127.49) (   0.54,-128.50)  115.19                80
 09/20/2022   10:07:40   (   0.32,-127.45) (  -0.45,-124.03)  389.21                80
 09/21/2022   22:30:05   (  -0.30,-127.33) (  -0.77,-129.44)  239.76                80
 09/22/2022   22:14:20   (  -0.30,-127.30) (   0.23,-124.97)  265.12                80
 09/24/2022   10:33:57   (   0.28,-127.31) (   0.99,-130.34)  346.93                80
 09/25/2022   10:15:32   (   0.29,-127.27) (  -0.01,-125.88)  157.32                80
 09/26/2022   22:37:57   (  -0.27,-127.13) (  -1.20,-131.29)  473.26                80
 09/27/2022   22:22:12   (  -0.28,-127.10) (  -0.19,-126.83)   31.33                80