Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 19.  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   ( -73.89,  28.37) 03/20/2023   21:59:31  ( -73.77,  31.51)   98.27                65
 03/20/2023   22:48:56   (  73.04,-162.34) 03/20/2023   22:49:06  (  73.03,-162.35)    1.16                10
 03/20/2023   23:39:39   ( -72.97,   5.11) 03/20/2023   23:38:31  ( -72.98,   5.21)    3.22                68
 03/23/2023   10:53:03   ( -73.06,-163.39) 03/23/2023   10:53:27  ( -73.04,-163.44)    2.89                24
 03/23/2023   11:43:48   (  72.95,   4.15) 03/23/2023   11:42:49  (  72.98,   4.10)    3.22                59
 03/25/2023   22:57:13   (  73.11,-164.50) 03/25/2023   22:57:43  (  73.11,-164.40)    3.07                30
 03/25/2023   23:47:55   ( -72.99,   3.07) 03/25/2023   23:47:09  ( -73.01,   3.05)    1.73                46
 03/28/2023   11:01:19   ( -73.11,-165.50) 03/28/2023   11:02:03  ( -73.10,-165.52)    1.29                44
 03/28/2023   11:52:05   (  73.05,   1.93) 03/28/2023   11:51:25  (  73.04,   2.02)    3.26                40
 03/30/2023   23:05:28   (  73.14,-166.56) 03/30/2023   23:06:18  (  73.15,-166.51)    1.89                50
 03/30/2023   23:56:11   ( -73.07,   0.90) 03/30/2023   23:55:44  ( -73.05,   0.94)    2.69                27