Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 20.  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)
 09/21/2023   23:37:55   ( -74.25,   5.20) 09/21/2023   23:39:06  ( -74.21,   5.56)   11.90                71
 09/22/2023   00:28:38   (  74.10, 172.90) 09/22/2023   00:28:30  (  74.07, 172.90)    3.25                 8
 09/22/2023   01:19:11   ( -73.50, -18.33) 09/22/2023   01:18:03  ( -73.54, -20.59)   71.40                68
 09/24/2023   11:41:56   (  74.18,   4.41) 09/24/2023   11:42:55  (  74.15,   4.45)    3.33                59
 09/24/2023   12:32:40   ( -74.12, 171.88) 09/24/2023   12:32:19  ( -74.10, 171.99)    3.52                21
 09/26/2023   23:45:56   ( -74.15,   3.51) 09/26/2023   23:46:43  ( -74.16,   3.47)    1.10                47
 09/27/2023   00:36:41   (  74.11, 170.94) 09/27/2023   00:36:05  (  74.10, 171.01)    2.35                36
 09/29/2023   11:49:58   (  74.16,   2.53) 09/29/2023   11:50:29  (  74.16,   2.52)    0.70                31
 09/29/2023   12:40:42   ( -74.09, 170.02) 09/29/2023   12:39:54  ( -74.08, 169.98)    1.75                48
 10/01/2023   23:53:59   ( -74.14,   1.60) 10/01/2023   23:54:17  ( -74.17,   1.55)    2.91                18