Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 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)
 06/01/2020   21:03:04   (  69.17,-136.92) 06/01/2020   21:04:15  (  69.10,-136.41)   21.76                71
 06/01/2020   21:53:40   ( -68.81,  30.89) 06/01/2020   21:53:48  ( -68.82,  30.86)    1.40                 8
 06/01/2020   22:44:24   (  68.69,-161.63) 06/01/2020   22:43:15  (  68.71,-161.62)    2.90                69
 06/04/2020   13:19:31   (  69.36, -21.28) 06/04/2020   13:20:41  (  69.23, -20.35)   38.96                70
 06/04/2020   14:10:04   ( -68.83, 146.77) 06/04/2020   14:10:16  ( -68.84, 146.78)    1.16                12
 06/04/2020   15:00:48   (  68.71, -45.76) 06/04/2020   14:59:43  (  68.74, -45.71)    3.07                65
 06/07/2020   05:35:57   (  69.50,  94.44) 06/07/2020   05:37:06  (  69.42,  95.78)   53.06                69
 06/07/2020   06:26:28   ( -68.86, -97.35) 06/07/2020   06:26:44  ( -68.87, -97.30)    2.37                16
 06/07/2020   07:17:11   (  68.69,  70.18) 06/07/2020   07:16:12  (  68.70,  70.13)    2.48                59
 06/09/2020   21:52:24   (  69.69,-149.93) 06/09/2020   21:53:32  (  69.55,-148.16)   70.28                68
 06/09/2020   22:42:51   ( -68.83,  18.60) 06/09/2020   22:43:13  ( -68.84,  18.54)    2.35                22
 06/09/2020   23:33:35   (  68.72,-173.95) 06/09/2020   23:32:40  (  68.73,-173.96)    0.33                55
 06/12/2020   14:08:49   (  69.83, -34.23) 06/12/2020   14:09:56  (  69.74, -32.02)   85.45                67
 06/12/2020   14:59:14   ( -68.86, 134.47) 06/12/2020   14:59:40  ( -68.87, 134.46)    0.66                26
 06/12/2020   15:49:58   (  68.76, -58.09) 06/12/2020   15:49:07  (  68.75, -58.05)    2.16                51