Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2022   10:30:40   (   0.09,-128.01) (   0.74,-130.90)  329.60                80
 05/07/2022   10:14:55   (   0.10,-127.98) (  -0.23,-126.44)  174.96                80
 05/08/2022   22:34:43   (  -0.09,-127.94) (  -0.97,-131.86)  446.69                80
 05/09/2022   22:18:59   (  -0.10,-127.91) (  -0.00,-127.40)   58.05                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.23,-128.32)   57.87                80
 05/13/2022   10:04:30   (   0.10,-127.78) (  -0.81,-123.87)  446.20                80
 05/14/2022   22:24:18   (  -0.08,-127.73) (  -0.43,-129.28)  176.81                80
 05/15/2022   22:08:33   (  -0.08,-127.70) (   0.55,-124.83)  327.00                80
 05/17/2022   10:28:13   (   0.06,-127.63) (   0.66,-130.21)  294.60                80
 05/18/2022   10:12:28   (   0.07,-127.58) (  -0.32,-125.75)  208.38                80
 05/19/2022   22:32:15   (  -0.05,-127.51) (  -0.89,-131.16)  416.78                80