Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/28/2022   10:25:46   (   0.03,-127.91) (   0.40,-129.53)  184.41                80
 05/29/2022   10:10:01   (   0.03,-127.95) (  -0.59,-125.07)  327.24                80
 05/30/2022   22:29:49   (  -0.01,-127.99) (  -0.59,-130.49)  285.82                80
 05/31/2022   22:14:04   (  -0.02,-128.02) (   0.40,-126.03)  225.75                80
 06/02/2022   10:33:44   (  -0.01,-128.07) (   0.74,-131.43)  382.60                80
 06/03/2022   10:18:00   (   0.00,-128.10) (  -0.26,-126.97)  128.49                80
 06/04/2022   22:37:46   (   0.02,-128.12) (  -0.97,-132.38)  485.72                80
 06/05/2022   22:22:02   (   0.01,-128.15) (   0.04,-127.92)   25.58                80
 06/08/2022   10:23:18   (  -0.02,-128.22) (   0.10,-128.86)   72.27                80
 06/09/2022   10:07:32   (  -0.00,-128.24) (  -0.85,-124.39)  438.43                80
 06/10/2022   22:27:19   (   0.04,-128.26) (  -0.30,-129.81)  176.91                80