Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/05/2023   22:15:47   (  -0.06,-128.26) (   0.78,-124.53)  424.42                80
 02/07/2023   10:38:12   (   0.06,-128.28) (   0.42,-129.94)  188.80                80
 02/08/2023   10:22:32   (   0.06,-128.28) (  -0.57,-125.49)  317.42                80
 02/09/2023   22:45:04   (  -0.06,-128.25) (  -0.68,-130.91)  304.39                80
 02/10/2023   22:24:03   (  -0.06,-128.24) (   0.32,-126.47)  201.31                80
 02/12/2023   10:46:29   (   0.06,-128.25) (   0.87,-131.87)  413.36                80
 02/13/2023   10:30:48   (   0.07,-128.24) (  -0.13,-127.43)   92.14                80
 02/15/2023   22:35:00   (  -0.07,-128.18) (  -0.10,-128.42)   25.94                80
 02/16/2023   22:13:59   (  -0.08,-128.16) (   0.85,-123.96)  478.75                80
 02/18/2023   10:36:24   (   0.08,-128.15) (   0.34,-129.36)  137.99                80