Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2023   10:34:28   (   0.11,-128.01) (   0.25,-128.75)   84.19                80
 03/02/2023   10:18:47   (   0.11,-127.98) (  -0.73,-124.30)  420.31                80
 03/03/2023   22:41:18   (  -0.12,-127.96) (  -0.49,-129.72)  200.75                80
 03/04/2023   22:20:17   (  -0.12,-127.93) (   0.50,-125.27)  303.37                80
 03/06/2023   10:42:40   (   0.12,-127.88) (   0.75,-130.66)  316.91                80
 03/07/2023   10:26:59   (   0.12,-127.85) (  -0.25,-126.21)  187.29                80
 03/08/2023   22:49:30   (  -0.12,-127.83) (  -0.96,-131.64)  433.76                80
 03/09/2023   22:28:28   (  -0.12,-127.80) (   0.04,-127.19)   70.08                80
 03/12/2023   10:32:29   (   0.13,-127.70) (   0.23,-128.12)   47.88                80
 03/13/2023   10:16:48   (   0.13,-127.67) (  -0.78,-123.67)  455.47                80