Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 12.  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)
 03/13/2023   09:45:45   (  73.02,  33.40) 03/13/2023   09:46:41  (  73.04,  33.36)    3.10                56
 03/13/2023   10:36:28   ( -72.94,-159.12) 03/13/2023   10:36:07  ( -72.95,-159.17)    1.66                21
 03/15/2023   21:49:54   ( -73.09,  32.24) 03/15/2023   21:51:04  ( -73.07,  32.30)    2.59                70
 03/15/2023   22:40:39   (  72.99,-160.22) 03/15/2023   22:40:26  (  73.01,-160.17)    2.72                13
 03/15/2023   23:31:10   ( -72.31,   8.51) 03/15/2023   23:30:02  ( -72.38,   6.31)   74.67                68
 03/18/2023   09:54:09   (  73.35,  30.66) 03/18/2023   09:55:20  (  73.23,  31.51)   29.95                71
 03/18/2023   10:44:47   ( -73.02,-161.30) 03/18/2023   10:44:48  ( -73.04,-161.23)    2.86                 1
 03/18/2023   11:35:26   (  72.62,   6.87) 03/18/2023   11:34:15  (  72.70,   5.79)   37.06                71
 03/20/2023   21:58:26   ( -73.84,  28.50) 03/20/2023   21:59:32  ( -73.74,  31.45)   92.35                66
 03/20/2023   22:48:57   (  73.04,-162.35) 03/20/2023   22:49:06  (  73.04,-162.33)    1.05                 9
 03/20/2023   23:39:40   ( -72.97,   5.12) 03/20/2023   23:38:32  ( -72.95,   5.15)    2.73                68
 03/23/2023   10:53:04   ( -73.06,-163.38) 03/23/2023   10:53:26  ( -73.07,-163.36)    1.79                22
 03/23/2023   11:43:49   (  72.95,   4.15) 03/23/2023   11:42:49  (  72.95,   4.05)    3.22                60
 03/25/2023   22:57:12   (  73.06,-164.39) 03/25/2023   22:57:41  (  73.08,-164.45)    2.92                29
 03/25/2023   23:47:55   ( -72.99,   3.09) 03/25/2023   23:47:07  ( -72.98,   3.02)    2.14                48