Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 23.  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   11:41:56   (  74.18,   4.42) 09/24/2023   11:42:55  (  74.16,   4.46)    2.50                59
 09/24/2023   12:32:40   ( -74.12, 171.88) 09/24/2023   12:32:19  ( -74.10, 171.99)    3.50                21
 09/26/2023   23:45:56   ( -74.15,   3.51) 09/26/2023   23:46:43  ( -74.16,   3.48)    1.11                47
 09/27/2023   00:36:41   (  74.10, 170.94) 09/27/2023   00:36:05  (  74.10, 171.02)    2.28                36
 09/29/2023   11:49:58   (  74.15,   2.53) 09/29/2023   11:50:29  (  74.17,   2.53)    1.73                31
 09/29/2023   12:40:42   ( -74.09, 170.02) 09/29/2023   12:39:54  ( -74.08, 169.98)    1.48                48
 10/01/2023   23:53:59   ( -74.14,   1.60) 10/01/2023   23:54:17  ( -74.17,   1.55)    3.22                18
 10/02/2023   00:44:44   (  74.10, 169.01) 10/02/2023   00:43:39  (  74.10, 169.06)    1.42                65
 10/04/2023   11:07:25   ( -74.64,-168.01) 10/04/2023   11:08:34  ( -74.54,-166.22)   54.28                69
 10/04/2023   11:58:01   (  74.17,   0.56) 10/04/2023   11:58:02  (  74.15,   0.54)    2.52                 1
 10/04/2023   12:48:41   ( -73.90, 168.55) 10/04/2023   12:47:29  ( -73.97, 167.79)   24.50                72
 10/06/2023   23:11:18   (  74.25,-167.92) 10/06/2023   23:12:24  (  74.22,-167.93)    3.76                66
 10/07/2023   00:02:02   ( -74.17,  -0.41) 10/07/2023   00:01:49  ( -74.15,  -0.44)    3.15                13