Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2022   10:35:45   (   0.11,-128.25) (   0.84,-131.59)  379.75                80
 04/26/2022   10:14:41   (   0.12,-128.24) (  -0.12,-127.13)  126.18                80
 04/27/2022   22:37:10   (  -0.11,-128.23) (  -1.07,-132.55)  492.37                80
 04/28/2022   22:21:25   (  -0.12,-128.22) (  -0.10,-128.09)   13.85                80
 05/01/2022   10:25:21   (   0.11,-128.15) (   0.28,-129.03)   99.18                80
 05/02/2022   10:06:57   (   0.11,-128.13) (  -0.69,-124.56)  406.24                80
 05/03/2022   22:26:45   (  -0.10,-128.11) (  -0.53,-129.98)  213.70                80
 05/04/2022   22:11:02   (  -0.11,-128.09) (   0.50,-125.53)  291.68                80
 05/06/2022   10:30:40   (   0.09,-128.03) (   0.76,-130.90)  327.82                80
 05/07/2022   10:14:56   (   0.10,-128.00) (  -0.26,-126.45)  177.00                80
 05/08/2022   22:34:45   (  -0.09,-127.97) (  -0.94,-131.87)  444.37                80