Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2022   22:17:02   (  -0.35,-127.66) (   0.10,-125.74)  219.76                80
 09/13/2022   10:39:19   (   0.33,-127.68) (   1.09,-131.11)  390.87                80
 09/14/2022   10:18:14   (   0.34,-127.65) (   0.10,-126.65)  114.52                80
 09/16/2022   22:22:13   (  -0.33,-127.52) (  -0.35,-127.58)    7.66                80
 09/17/2022   22:06:28   (  -0.33,-127.49) (   0.65,-123.12)  497.80                80
 09/19/2022   10:28:45   (   0.31,-127.50) (   0.56,-128.49)  113.77                80
 09/20/2022   10:07:40   (   0.32,-127.46) (  -0.44,-124.03)  390.85                80
 09/21/2022   22:30:05   (  -0.30,-127.34) (  -0.78,-129.43)  238.68                80
 09/22/2022   22:14:20   (  -0.30,-127.31) (   0.22,-124.97)  266.38                80
 09/24/2022   10:33:58   (   0.28,-127.33) (   0.94,-130.36)  344.64                80