Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2022   22:19:34   (   0.07,-128.37) (   0.33,-127.24)  128.88                80
 06/18/2022   10:39:13   (  -0.10,-128.40) (   0.87,-132.62)  481.72                80
 06/19/2022   10:23:28   (  -0.08,-128.42) (  -0.14,-128.17)   27.99                80
 06/21/2022   22:24:50   (   0.10,-128.44) (  -0.08,-129.12)   78.52                80
 06/22/2022   22:09:06   (   0.08,-128.45) (   0.93,-124.67)  431.39                80
 06/24/2022   10:28:45   (  -0.12,-128.48) (   0.26,-130.05)  179.29                80
 06/25/2022   10:13:01   (  -0.11,-128.49) (  -0.75,-125.59)  329.98                80
 06/26/2022   22:32:48   (   0.14,-128.49) (  -0.41,-131.02)  287.97                80
 06/27/2022   22:17:02   (   0.13,-128.49) (   0.54,-126.55)  221.20                80
 06/29/2022   10:36:43   (  -0.16,-128.52) (   0.58,-131.94)  389.94                80