Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2023   10:42:39   (   0.12,-127.88) (   0.78,-130.65)  316.90                80
 03/07/2023   10:26:59   (   0.12,-127.85) (  -0.28,-126.22)  187.36                80
 03/08/2023   22:49:29   (  -0.12,-127.83) (  -0.99,-131.63)  433.17                80
 03/09/2023   22:28:28   (  -0.12,-127.80) (   0.01,-127.18)   70.63                80
 03/12/2023   10:32:30   (   0.13,-127.70) (   0.21,-128.12)   47.73                80
 03/13/2023   10:16:48   (   0.13,-127.67) (  -0.80,-123.68)  455.64                80
 03/14/2023   22:38:16   (  -0.13,-127.63) (  -0.45,-129.09)  166.39                18
 03/15/2023   22:18:16   (  -0.14,-127.59) (   0.50,-124.63)  336.33                80
 03/17/2023   10:40:39   (   0.14,-127.50) (   0.70,-130.03)  287.45                80
 03/18/2023   10:24:57   (   0.14,-127.46) (  -0.27,-125.57)  215.25                80
 03/19/2023   22:44:47   (  -0.14,-127.42) (  -0.98,-130.98)  407.13                80