Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 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)
 05/09/2022   22:18:59   (  -0.10,-127.92) (   0.02,-127.40)   58.58                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.20,-128.33)   57.24                80
 05/13/2022   10:04:30   (   0.10,-127.79) (  -0.78,-123.87)  446.86                80
 05/14/2022   22:24:18   (  -0.08,-127.74) (  -0.40,-129.29)  175.82                80
 05/15/2022   22:08:34   (  -0.08,-127.70) (   0.58,-124.83)  328.09                80
 05/17/2022   10:28:13   (   0.06,-127.63) (   0.62,-130.21)  293.54                80
 05/18/2022   10:12:28   (   0.07,-127.59) (  -0.36,-125.75)  209.51                80
 05/19/2022   22:32:16   (  -0.05,-127.52) (  -0.86,-131.16)  415.35                80
 05/20/2022   22:16:31   (  -0.06,-127.47) (   0.12,-126.71)   87.86                80