Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/09/2022   10:07:33   (  -0.01,-128.24) (  -0.86,-124.39)  438.64                80
 06/10/2022   22:27:20   (   0.04,-128.27) (  -0.31,-129.81)  176.06                80
 06/11/2022   22:11:36   (   0.03,-128.29) (   0.69,-125.36)  334.41                80
 06/13/2022   10:31:15   (  -0.06,-128.33) (   0.51,-130.74)  275.77                80
 06/14/2022   10:15:31   (  -0.05,-128.34) (  -0.49,-126.28)  233.90                80
 06/15/2022   22:35:18   (   0.08,-128.34) (  -0.67,-131.70)  383.01                80
 06/16/2022   22:19:34   (   0.07,-128.35) (   0.33,-127.25)  126.62                80
 06/18/2022   10:39:13   (  -0.10,-128.39) (   0.87,-132.63)  483.89                80
 06/19/2022   10:23:28   (  -0.08,-128.39) (  -0.13,-128.17)   25.55                80
 06/21/2022   22:24:50   (   0.09,-128.40) (  -0.07,-129.12)   82.17                80
 06/22/2022   22:09:06   (   0.08,-128.42) (   0.93,-124.67)  427.40                80