Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2022   10:14:56   (   0.10,-127.98) (  -0.26,-126.45)  175.04                80
 05/08/2022   22:34:44   (  -0.09,-127.94) (  -0.95,-131.87)  446.55                80
 05/09/2022   22:18:59   (  -0.10,-127.91) (   0.03,-127.41)   58.18                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.20,-128.33)   57.66                80
 05/13/2022   10:04:30   (   0.10,-127.78) (  -0.78,-123.87)  446.38                80
 05/14/2022   22:24:18   (  -0.08,-127.74) (  -0.40,-129.29)  176.59                80
 05/15/2022   22:08:34   (  -0.08,-127.70) (   0.58,-124.83)  327.26                80
 05/17/2022   10:28:13   (   0.06,-127.63) (   0.63,-130.21)  294.34                80
 05/18/2022   10:12:29   (   0.07,-127.58) (  -0.35,-125.75)  208.64                80
 05/19/2022   22:32:16   (  -0.05,-127.51) (  -0.86,-131.17)  416.46                80
 05/20/2022   22:16:31   (  -0.06,-127.46) (   0.12,-126.71)   86.66                80