Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 4.  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)
 06/04/2020   13:19:31   (  69.34, -21.25) 06/04/2020   13:20:41  (  69.25, -20.34)   37.51                70
 06/04/2020   14:10:05   ( -68.87, 146.72) 06/04/2020   14:10:16  ( -68.85, 146.79)    3.59                11
 06/04/2020   15:00:48   (  68.70, -45.73) 06/04/2020   14:59:44  (  68.69, -45.76)    1.30                64
 06/07/2020   05:35:57   (  69.48,  94.46) 06/07/2020   05:37:07  (  69.37,  95.71)   50.30                70
 06/07/2020   06:26:28   ( -68.84, -97.33) 06/07/2020   06:26:45  ( -68.82, -97.37)    3.25                17
 06/07/2020   07:17:12   (  68.73,  70.14) 06/07/2020   07:16:12  (  68.71,  70.14)    1.99                60
 06/09/2020   21:52:23   (  69.67,-149.91) 06/09/2020   21:53:31  (  69.55,-148.16)   68.81                68
 06/09/2020   22:42:51   ( -68.87,  18.55) 06/09/2020   22:43:11  ( -68.89,  18.61)    3.26                20
 06/09/2020   23:33:34   (  68.71,-173.92) 06/09/2020   23:32:39  (  68.72,-173.96)    2.23                55
 06/12/2020   14:08:49   (  69.81, -34.20) 06/12/2020   14:09:56  (  69.72, -32.04)   83.65                67
 06/12/2020   14:59:14   ( -68.85, 134.49) 06/12/2020   14:59:40  ( -68.85, 134.44)    2.17                26
 06/12/2020   15:49:58   (  68.74, -58.06) 06/12/2020   15:49:07  (  68.73, -58.07)    1.36                51
 06/15/2020   07:15:38   ( -68.88,-109.64) 06/15/2020   07:16:08  ( -68.85,-109.67)    2.66                30
 06/15/2020   08:06:21   (  68.72,  57.87) 06/15/2020   08:05:35  (  68.73,  57.82)    2.28                46
 06/17/2020   23:32:02   ( -68.91,   6.23) 06/17/2020   23:32:35  ( -68.91,   6.29)    2.59                33
 06/18/2020   00:22:45   (  68.76, 173.73) 06/18/2020   00:22:03  (  68.73, 173.71)    3.36                42