Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2022   22:11:00   (  -0.10,-128.07) (   0.45,-125.52)  290.26                80
 05/06/2022   10:30:40   (   0.09,-128.01) (   0.74,-130.90)  329.70                80
 05/07/2022   10:14:55   (   0.10,-127.98) (  -0.23,-126.44)  174.85                80
 05/08/2022   22:34:43   (  -0.09,-127.94) (  -0.97,-131.86)  446.88                80
 05/09/2022   22:18:59   (  -0.10,-127.91) (   0.01,-127.40)   57.83                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.21,-128.32)   57.99                80
 05/13/2022   10:04:29   (   0.10,-127.78) (  -0.76,-123.86)  446.04                80
 05/14/2022   22:24:18   (  -0.08,-127.73) (  -0.41,-129.29)  177.02                80
 05/15/2022   22:08:33   (  -0.08,-127.69) (   0.57,-124.83)  326.80                80
 05/17/2022   10:28:13   (   0.06,-127.62) (   0.63,-130.21)  294.76                80