Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 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)
 03/20/2023   21:58:26   ( -73.85,  28.46) 03/20/2023   21:59:31  ( -73.81,  31.59)   97.11                65
 03/20/2023   22:48:57   (  73.05,-162.37) 03/20/2023   22:49:06  (  73.06,-162.28)    3.27                 9
 03/20/2023   23:39:39   ( -72.94,   5.19) 03/20/2023   23:38:32  ( -72.96,   5.17)    3.12                67
 03/23/2023   10:53:04   ( -73.08,-163.42) 03/23/2023   10:53:27  ( -73.07,-163.37)    1.62                23
 03/23/2023   11:43:49   (  72.96,   4.13) 03/23/2023   11:42:50  (  72.96,   4.07)    2.17                59
 03/25/2023   22:57:12   (  73.07,-164.41) 03/25/2023   22:57:43  (  73.09,-164.44)    2.48                31
 03/25/2023   23:47:55   ( -73.00,   3.05) 03/25/2023   23:47:09  ( -72.99,   3.01)    2.15                46
 03/28/2023   11:01:19   ( -73.12,-165.52) 03/28/2023   11:02:02  ( -73.13,-165.46)    2.28                43
 03/28/2023   11:52:04   (  73.01,   2.03) 03/28/2023   11:51:25  (  73.02,   1.97)    1.96                39
 03/30/2023   23:05:28   (  73.14,-166.57) 03/30/2023   23:06:18  (  73.13,-166.56)    1.92                50
 03/30/2023   23:56:11   ( -73.08,   0.90) 03/30/2023   23:55:43  ( -73.08,   0.99)    3.12                28
 04/02/2023   11:09:34   ( -73.17,-167.62) 04/02/2023   11:10:36  ( -73.15,-167.61)    2.25                62
 04/02/2023   12:00:19   (  73.06,  -0.08) 04/02/2023   11:59:58  (  73.09,  -0.08)    2.54                21