Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 10.  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)
 03/10/2023   21:41:35   ( -73.01,  34.43) 03/10/2023   21:42:21  ( -73.02,  34.43)    1.10                46
 03/10/2023   22:32:20   (  72.91,-158.05) 03/10/2023   22:31:44  (  72.90,-158.14)    3.09                36
 03/13/2023   09:45:46   (  73.04,  33.36) 03/13/2023   09:46:41  (  73.06,  33.39)    2.77                55
 03/13/2023   10:36:29   ( -72.96,-159.16) 03/13/2023   10:36:07  ( -72.97,-159.13)    1.19                22
 03/15/2023   21:49:54   ( -73.05,  32.33) 03/15/2023   21:51:04  ( -73.07,  32.29)    2.03                70
 03/15/2023   22:40:40   (  73.00,-160.26) 03/15/2023   22:40:26  (  73.00,-160.19)    2.30                14
 03/15/2023   23:31:10   ( -72.27,   8.58) 03/15/2023   23:30:03  ( -72.32,   6.20)   80.80                67
 03/18/2023   09:54:08   (  73.31,  30.75) 03/18/2023   09:55:19  (  73.19,  31.43)   25.33                71
 03/18/2023   10:44:46   ( -72.98,-161.21) 03/18/2023   10:44:47  ( -72.99,-161.30)    3.44                 1
 03/18/2023   11:35:25   (  72.57,   6.96) 03/18/2023   11:34:15  (  72.60,   5.61)   44.81                70
 03/20/2023   21:58:24   ( -73.74,  28.73) 03/20/2023   21:59:31  ( -73.65,  31.28)   80.12                67
 03/20/2023   22:48:57   (  73.05,-162.36) 03/20/2023   22:49:03  (  73.05,-162.28)    2.62                 6
 03/20/2023   23:39:40   ( -72.97,   5.12) 03/20/2023   23:38:29  ( -72.96,   5.19)    2.65                71
 03/23/2023   10:53:04   ( -73.05,-163.37) 03/23/2023   10:53:23  ( -73.03,-163.42)    2.68                19
 03/23/2023   11:43:49   (  72.95,   4.15) 03/23/2023   11:42:45  (  72.96,   4.09)    2.15                64