Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 10 6.  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)
 10/06/2023   23:11:17   (  74.23,-167.87) 10/06/2023   23:12:22  (  74.24,-167.88)    1.42                65
 10/07/2023   00:02:01   ( -74.16,  -0.39) 10/07/2023   00:01:47  ( -74.15,  -0.43)    1.66                14
 10/09/2023   11:15:18   ( -74.26,-168.91) 10/09/2023   11:16:07  ( -74.26,-168.80)    3.33                49
 10/09/2023   12:06:02   (  74.17,  -1.36) 10/09/2023   12:05:29  (  74.18,  -1.32)    2.03                33
 10/11/2023   23:19:18   (  74.23,-169.80) 10/11/2023   23:19:49  (  74.24,-169.81)    0.65                31
 10/12/2023   00:10:02   ( -74.16,  -2.31) 10/12/2023   00:09:14  ( -74.16,  -2.32)    0.28                48
 10/14/2023   11:23:17   ( -74.24,-170.78) 10/14/2023   11:23:32  ( -74.23,-170.77)    0.66                15
 10/14/2023   12:14:01   (  74.15,  -3.24) 10/14/2023   12:12:54  (  74.14,  -3.32)    2.70                67
 10/16/2023   22:36:37   ( -74.52,  20.20) 10/16/2023   22:37:48  ( -74.41,  21.04)   27.68                71
 10/16/2023   23:27:17   (  74.24,-171.74) 10/16/2023   23:27:12  (  74.21,-171.76)    2.83                 5
 10/17/2023   00:17:53   ( -73.78,  -3.27) 10/17/2023   00:16:43  ( -73.84,  -4.94)   52.27                70
 10/19/2023   10:40:32   (  74.29,  19.85) 10/19/2023   10:41:29  (  74.30,  19.82)    0.77                57
 10/19/2023   11:31:16   ( -74.22,-172.66) 10/19/2023   11:30:54  ( -74.24,-172.66)    1.58                22