Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2023   22:42:42   (  -0.15,-128.17) (  -0.64,-130.36)  250.41                80
 03/31/2023   22:27:00   (  -0.15,-128.19) (   0.36,-125.91)  260.21                80
 04/02/2023   10:46:41   (   0.15,-128.21) (   0.85,-131.29)  352.13                80
 04/03/2023   10:30:59   (   0.15,-128.23) (  -0.15,-126.84)  158.27                80
 04/04/2023   22:50:49   (  -0.15,-128.30) (  -1.05,-132.26)  452.37                80
 04/05/2023   22:35:07   (  -0.15,-128.32) (  -0.04,-127.81)   57.94                80
 04/08/2023   10:37:13   (   0.15,-128.35) (   0.21,-128.75)   45.15                32
 04/09/2023   10:20:42   (   0.15,-128.36) (  -0.75,-124.29)  464.46                80
 04/10/2023   22:40:32   (  -0.14,-128.41) (  -0.43,-129.71)  148.09                80
 04/11/2023   22:24:50   (  -0.15,-128.42) (   0.59,-125.26)  361.11                80