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   ( -73.87,  28.41) 03/20/2023   21:59:31  ( -73.78,  31.54)   97.42                65
 03/20/2023   22:48:56   (  73.02,-162.30) 03/20/2023   22:49:06  (  73.04,-162.33)    2.61                10
 03/20/2023   23:39:39   ( -72.96,   5.15) 03/20/2023   23:38:32  ( -72.94,   5.13)    2.00                67
 03/23/2023   10:53:03   ( -73.04,-163.35) 03/23/2023   10:53:27  ( -73.06,-163.41)    2.46                24
 03/23/2023   11:43:49   (  72.98,   4.10) 03/23/2023   11:42:49  (  72.99,   4.13)    1.95                60
 03/25/2023   22:57:13   (  73.08,-164.43) 03/25/2023   22:57:44  (  73.08,-164.47)    1.21                31
 03/25/2023   23:47:56   ( -73.02,   3.02) 03/25/2023   23:47:09  ( -73.03,   3.09)    2.59                47
 03/28/2023   11:01:20   ( -73.13,-165.53) 03/28/2023   11:02:03  ( -73.13,-165.47)    2.15                43
 03/28/2023   11:52:05   (  73.02,   2.02) 03/28/2023   11:51:26  (  73.01,   1.97)    1.60                39
 03/30/2023   23:05:28   (  73.14,-166.57) 03/30/2023   23:06:18  (  73.14,-166.54)    0.95                50
 03/30/2023   23:56:10   ( -73.03,   1.00) 03/30/2023   23:55:44  ( -73.04,   0.91)    3.35                26
 04/02/2023   11:09:34   ( -73.16,-167.60) 04/02/2023   11:10:36  ( -73.18,-167.56)    2.17                62
 04/02/2023   12:00:19   (  73.06,  -0.06) 04/02/2023   11:59:59  (  73.06,  -0.13)    2.26                20