Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 21.  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   ( -74.26,   5.18) 09/21/2023   23:39:06  ( -74.21,   5.55)   12.57                71
 09/22/2023   00:28:37   (  74.06, 173.01) 09/22/2023   00:28:30  (  74.07, 172.89)    3.76                 7
 09/22/2023   01:19:11   ( -73.51, -18.34) 09/22/2023   01:18:03  ( -73.54, -20.60)   71.18                68
 09/24/2023   11:41:55   (  74.14,   4.52) 09/24/2023   11:42:55  (  74.15,   4.44)    2.94                60
 09/24/2023   12:32:39   ( -74.07, 171.99) 09/24/2023   12:32:19  ( -74.10, 171.98)    2.88                20
 09/26/2023   23:45:57   ( -74.16,   3.50) 09/26/2023   23:46:44  ( -74.16,   3.48)    0.59                47
 09/27/2023   00:36:42   (  74.11, 170.93) 09/27/2023   00:36:06  (  74.10, 171.02)    2.78                36
 09/29/2023   11:49:58   (  74.16,   2.52) 09/29/2023   11:50:29  (  74.17,   2.55)    1.84                31
 09/29/2023   12:40:42   ( -74.09, 170.02) 09/29/2023   12:39:54  ( -74.09, 170.00)    0.65                48
 10/01/2023   23:54:00   ( -74.19,   1.47) 10/01/2023   23:54:17  ( -74.18,   1.59)    3.58                17
 10/02/2023   00:44:44   (  74.10, 169.01) 10/02/2023   00:43:39  (  74.11, 169.09)    2.55                65
 10/04/2023   11:07:25   ( -74.64,-168.01) 10/04/2023   11:08:34  ( -74.56,-166.17)   55.04                69
 10/04/2023   11:58:01   (  74.17,   0.56) 10/04/2023   11:58:02  (  74.17,   0.59)    0.92                 1