Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/09/2023   22:28:28   (  -0.12,-127.81) (   0.01,-127.18)   71.90                80
 03/12/2023   10:32:28   (   0.13,-127.71) (   0.25,-128.11)   46.80                80
 03/13/2023   10:16:47   (   0.13,-127.68) (  -0.77,-123.67)  456.85                80
 03/14/2023   22:36:37   (  -0.13,-127.65) (  -0.48,-129.08)  164.17                80
 03/15/2023   22:18:16   (  -0.14,-127.61) (   0.54,-124.64)  338.79                80
 03/17/2023   10:40:38   (   0.14,-127.52) (   0.71,-130.02)  285.34                80
 03/18/2023   10:24:56   (   0.14,-127.48) (  -0.26,-125.56)  217.58                80
 03/19/2023   22:44:46   (  -0.14,-127.44) (  -0.97,-130.98)  403.81                80
 03/20/2023   22:29:04   (  -0.14,-127.40) (   0.06,-126.54)   99.00                80