Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2022   22:34:43   (  -0.09,-127.95) (  -0.98,-131.86)  446.37                80
 05/09/2022   22:18:59   (  -0.10,-127.92) (  -0.00,-127.40)   58.44                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.22,-128.32)   57.48                80
 05/13/2022   10:04:30   (   0.10,-127.79) (  -0.81,-123.87)  446.64                80
 05/14/2022   22:24:18   (  -0.08,-127.74) (  -0.43,-129.28)  176.21                80
 05/15/2022   22:08:33   (  -0.08,-127.70) (   0.55,-124.82)  327.65                80
 05/17/2022   10:28:12   (   0.06,-127.63) (   0.65,-130.21)  293.93                80
 05/18/2022   10:12:28   (   0.07,-127.58) (  -0.33,-125.75)  209.08                80
 05/19/2022   22:32:15   (  -0.05,-127.51) (  -0.88,-131.16)  415.93                80
 05/20/2022   22:16:31   (  -0.06,-127.47) (   0.10,-126.70)   87.23                80