Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 14.  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)
 09/14/2023   12:16:30   ( -74.09, 175.83) 09/14/2023   12:17:00  ( -74.10, 175.93)    2.90                30
 09/14/2023   13:07:15   (  74.03, -16.69) 09/14/2023   13:06:23  (  74.02, -16.58)    3.26                52
 09/17/2023   00:20:33   (  74.08, 174.89) 09/17/2023   00:20:50  (  74.10, 174.94)    2.54                17
 09/17/2023   01:11:17   ( -74.03, -17.66) 09/17/2023   01:10:14  ( -74.03, -17.55)    3.53                63
 09/19/2023   11:34:02   (  74.68,   5.02) 09/19/2023   11:35:09  (  74.56,   7.36)   70.31                67
 09/19/2023   12:24:35   ( -74.08, 173.91) 09/19/2023   12:24:41  ( -74.08, 173.92)    0.27                 6
 09/19/2023   13:15:17   (  73.88, -18.27) 09/19/2023   13:14:05  (  73.94, -18.74)   15.72                72
 09/21/2023   23:37:55   ( -74.25,   5.21) 09/21/2023   23:39:06  ( -74.20,   5.55)   11.42                71
 09/22/2023   00:28:38   (  74.10, 172.89) 09/22/2023   00:28:29  (  74.11, 172.99)    2.86                 9
 09/22/2023   01:19:11   ( -73.50, -18.32) 09/22/2023   01:18:03  ( -73.53, -20.60)   72.10                68
 09/24/2023   11:41:55   (  74.13,   4.53) 09/24/2023   11:42:55  (  74.13,   4.41)    3.69                60
 09/24/2023   12:32:40   ( -74.11, 171.90) 09/24/2023   12:32:19  ( -74.09, 171.97)    3.18                21
 09/26/2023   23:45:56   ( -74.15,   3.53) 09/26/2023   23:46:43  ( -74.14,   3.45)    2.32                47
 09/27/2023   00:36:41   (  74.11, 170.94) 09/27/2023   00:36:05  (  74.08, 170.97)    2.99                36