Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2022   10:22:41   (   0.11,-128.14) (   0.29,-129.02)   99.79                80
 05/02/2022   10:06:56   (   0.11,-128.12) (  -0.67,-124.56)  405.43                80
 05/03/2022   22:26:44   (  -0.10,-128.10) (  -0.55,-129.98)  214.74                80
 05/04/2022   22:11:01   (  -0.11,-128.07) (   0.48,-125.53)  290.49                80
 05/06/2022   10:30:39   (   0.09,-128.02) (   0.77,-130.90)  329.30                80
 05/07/2022   10:14:56   (   0.10,-127.99) (  -0.26,-126.45)  175.39                80
 05/08/2022   22:34:43   (  -0.09,-127.95) (  -0.99,-131.86)  446.13                80
 05/09/2022   22:19:00   (  -0.10,-127.92) (   0.05,-127.41)   58.78                80
 05/12/2022   10:20:14   (   0.09,-127.83) (   0.18,-128.33)   56.86                80