Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2023   22:49:29   (  -0.12,-127.84) (  -0.99,-131.63)  432.21                80
 03/09/2023   22:28:28   (  -0.12,-127.81) (   0.02,-127.18)   71.75                80
 03/12/2023   10:32:28   (   0.13,-127.71) (   0.25,-128.11)   46.89                80
 03/13/2023   10:16:47   (   0.13,-127.68) (  -0.77,-123.67)  456.71                80
 03/14/2023   22:36:37   (  -0.13,-127.64) (  -0.48,-129.08)  164.49                80
 03/15/2023   22:18:16   (  -0.14,-127.60) (   0.54,-124.64)  338.42                80
 03/17/2023   10:40:38   (   0.14,-127.51) (   0.71,-130.02)  285.63                80
 03/18/2023   10:24:56   (   0.14,-127.47) (  -0.26,-125.56)  217.25                80
 03/19/2023   22:44:47   (  -0.14,-127.44) (  -0.91,-130.99)  404.33                80
 03/20/2023   22:29:05   (  -0.14,-127.40) (   0.06,-126.54)   98.44                80