Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 24.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2023   11:41:55   (  74.14,   4.51) 09/24/2023   11:42:55  (  74.14,   4.42)    2.53                60
 09/24/2023   12:32:39   ( -74.08, 171.97) 09/24/2023   12:32:19  ( -74.09, 171.95)    0.85                20
 09/26/2023   23:45:57   ( -74.17,   3.47) 09/26/2023   23:46:44  ( -74.14,   3.45)    2.58                47
 09/27/2023   00:36:41   (  74.07, 171.04) 09/27/2023   00:36:06  (  74.09, 170.99)    3.19                35
 09/29/2023   11:49:58   (  74.17,   2.50) 09/29/2023   11:50:29  (  74.16,   2.51)    0.58                31
 09/29/2023   12:40:42   ( -74.10, 169.99) 09/29/2023   12:39:54  ( -74.07, 169.96)    3.41                48
 10/01/2023   23:53:59   ( -74.15,   1.57) 10/01/2023   23:54:17  ( -74.16,   1.54)    1.34                18
 10/02/2023   00:44:44   (  74.11, 168.99) 10/02/2023   00:43:39  (  74.10, 169.05)    2.66                65
 10/04/2023   11:07:25   ( -74.65,-168.04) 10/04/2023   11:08:34  ( -74.54,-166.22)   55.36                69
 10/04/2023   11:58:01   (  74.18,   0.53) 10/04/2023   11:58:02  (  74.15,   0.55)    3.37                 1
 10/04/2023   12:48:41   ( -73.91, 168.52) 10/04/2023   12:47:29  ( -73.97, 167.79)   23.38                72
 10/06/2023   23:11:17   (  74.21,-167.82) 10/06/2023   23:12:24  (  74.23,-167.91)    3.18                67
 10/07/2023   00:02:02   ( -74.18,  -0.44) 10/07/2023   00:01:49  ( -74.15,  -0.42)    3.27                13