Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 1.  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)
 11/01/2020   16:50:13   ( -69.07, 106.91) 11/01/2020   16:50:48  ( -69.06, 106.87)    1.86                35
 11/01/2020   17:40:56   (  68.93, -85.59) 11/01/2020   17:40:15  (  68.95, -85.63)    3.07                41
 11/04/2020   09:06:36   ( -69.12,-137.24) 11/04/2020   09:07:16  ( -69.12,-137.18)    2.38                40
 11/04/2020   09:57:19   (  68.99,  30.25) 11/04/2020   09:56:44  (  68.95,  30.25)    3.48                35
 11/07/2020   01:22:58   ( -69.12, -21.32) 11/07/2020   01:23:45  ( -69.12, -21.31)    0.61                47
 11/07/2020   02:13:41   (  68.99, 146.17) 11/07/2020   02:13:12  (  69.00, 146.19)    1.81                29
 11/07/2020   03:04:05   ( -67.94, -45.13) 11/07/2020   03:02:58  ( -68.01, -47.39)   94.37                67
 11/09/2020   17:39:19   ( -69.12,  94.60) 11/09/2020   17:40:13  ( -69.11,  94.56)    1.74                54
 11/09/2020   18:30:02   (  69.00, -97.92) 11/09/2020   18:29:40  (  68.99, -97.95)    1.11                22
 11/09/2020   19:20:31   ( -68.21,  70.44) 11/09/2020   19:19:22  ( -68.23,  68.74)   70.26                69
 11/12/2020   09:55:41   ( -69.12,-149.49) 11/12/2020   09:56:41  ( -69.15,-149.51)    3.28                60
 11/12/2020   10:46:24   (  69.01,  17.98) 11/12/2020   10:46:08  (  69.03,  17.98)    2.50                16
 11/12/2020   11:36:57   ( -68.43,-173.92) 11/12/2020   11:35:46  ( -68.49,-175.06)   47.20                71
 11/15/2020   02:12:04   ( -69.18, -33.65) 11/15/2020   02:13:09  ( -69.18, -33.59)    2.54                65
 11/15/2020   03:02:46   (  69.02, 133.89) 11/15/2020   03:02:37  (  69.01, 133.83)    2.85                 9