Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2022   10:28:50   (   0.40,-128.08) (   0.57,-128.89)   91.66                80
 08/13/2022   10:07:45   (   0.39,-128.08) (  -0.41,-124.42)  416.32                80
 08/14/2022   22:30:12   (  -0.40,-128.05) (  -0.79,-129.84)  202.74                80
 08/15/2022   22:14:27   (  -0.40,-128.06) (   0.19,-125.37)  306.08                80
 08/17/2022   10:36:44   (   0.41,-128.10) (   1.00,-130.75)  301.60                80
 08/18/2022   10:15:39   (   0.40,-128.10) (   0.02,-126.28)  206.19                80
 08/19/2022   22:38:06   (  -0.40,-128.05) (  -1.21,-131.70)  415.13                80
 08/20/2022   22:22:20   (  -0.40,-128.05) (  -0.23,-127.23)   93.00                80
 08/23/2022   10:26:13   (   0.39,-128.08) (   0.38,-128.16)    8.20                80