Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 3.  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)   81.90                80
 02/05/2023   22:15:47   (  -0.06,-128.26) (   0.79,-124.54)  424.20                80
 02/07/2023   10:38:12   (   0.06,-128.28) (   0.41,-129.94)  188.74                80
 02/08/2023   10:22:32   (   0.06,-128.28) (  -0.59,-125.49)  317.52                80
 02/09/2023   22:45:04   (  -0.06,-128.25) (  -0.66,-130.92)  304.55                80
 02/10/2023   22:24:04   (  -0.06,-128.24) (   0.34,-126.48)  201.14                80
 02/12/2023   10:46:29   (   0.06,-128.25) (   0.86,-131.88)  413.24                80
 02/13/2023   10:30:47   (   0.07,-128.24) (  -0.09,-127.42)   92.34                80
 02/15/2023   22:34:59   (  -0.07,-128.18) (  -0.13,-128.41)   25.81                80
 02/16/2023   22:13:59   (  -0.08,-128.16) (   0.88,-123.97)  478.73                80