Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2022   10:22:40   (   0.11,-128.14) (   0.33,-129.01)   99.79                80
 05/02/2022   10:06:56   (   0.11,-128.12) (  -0.69,-124.56)  405.40                80
 05/03/2022   22:26:45   (  -0.10,-128.10) (  -0.53,-129.98)  214.84                80
 05/04/2022   22:11:00   (  -0.11,-128.07) (   0.44,-125.52)  290.30                80
 05/06/2022   10:30:40   (   0.09,-128.01) (   0.75,-130.90)  329.61                80
 05/07/2022   10:14:55   (   0.10,-127.98) (  -0.22,-126.44)  175.02                80
 05/08/2022   22:34:43   (  -0.09,-127.95) (  -0.98,-131.86)  446.61                80
 05/09/2022   22:18:59   (  -0.10,-127.92) (  -0.01,-127.40)   58.20                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.23,-128.32)   57.63                80
 05/13/2022   10:04:30   (   0.10,-127.79) (  -0.80,-123.88)  446.52                80
 05/14/2022   22:24:18   (  -0.08,-127.74) (  -0.43,-129.29)  176.39                80