Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2023   22:36:47   (  -0.05,-128.26) (  -0.21,-128.98)   81.69                80
 02/05/2023   22:15:47   (  -0.06,-128.26) (   0.78,-124.54)  424.40                80
 02/07/2023   10:38:12   (   0.06,-128.28) (   0.42,-129.94)  188.73                80
 02/08/2023   10:22:32   (   0.06,-128.28) (  -0.58,-125.49)  317.50                80
 02/09/2023   22:45:04   (  -0.06,-128.25) (  -0.67,-130.92)  304.36                80
 02/10/2023   22:24:04   (  -0.06,-128.24) (   0.33,-126.47)  201.33                80
 02/12/2023   10:46:29   (   0.06,-128.25) (   0.86,-131.88)  413.25                80
 02/13/2023   10:30:48   (   0.07,-128.24) (  -0.14,-127.43)   92.32                80
 02/15/2023   22:34:59   (  -0.07,-128.18) (  -0.14,-128.41)   25.70                80
 02/16/2023   22:13:59   (  -0.08,-128.16) (   0.87,-123.96)  478.86                80