Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 3.  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)
 07/04/2020   01:10:21   ( -68.96, -18.37) 07/04/2020   01:11:32  ( -68.94, -18.40)    1.84                71
 07/04/2020   02:01:04   (  68.82, 149.13) 07/04/2020   02:00:59  (  68.84, 149.11)    1.74                 5
 07/04/2020   02:51:43   ( -68.58, -43.23) 07/04/2020   02:50:31  ( -68.62, -43.53)   12.85                72
 07/06/2020   17:26:47   ( -69.10,  97.34) 07/06/2020   17:27:59  ( -69.05,  97.62)   12.34                72
 07/06/2020   18:17:27   (  68.81, -94.95) 07/06/2020   18:17:28  (  68.83, -95.02)    3.29                 1
 07/06/2020   19:08:09   ( -68.73,  72.48) 07/06/2020   19:06:58  ( -68.72,  72.48)    0.29                71
 07/09/2020   09:43:14   ( -69.30,-147.03) 07/09/2020   09:44:25  ( -69.21,-146.29)   30.70                71
 07/09/2020   10:33:51   (  68.86,  20.90) 07/09/2020   10:33:56  (  68.88,  20.92)    2.01                 5
 07/09/2020   11:24:32   ( -68.71,-171.59) 07/09/2020   11:23:27  ( -68.72,-171.64)    2.31                65
 07/12/2020   01:59:40   ( -69.50, -31.41) 07/12/2020   02:00:50  ( -69.37, -30.20)   49.41                70
 07/12/2020   02:50:13   (  68.85, 136.82) 07/12/2020   02:50:24  (  68.87, 136.79)    1.70                11
 07/12/2020   03:40:55   ( -68.76, -55.73) 07/12/2020   03:39:54  ( -68.77, -55.70)    2.02                61
 07/14/2020   18:16:07   ( -69.71,  84.21) 07/14/2020   18:17:15  ( -69.59,  85.97)   69.58                68
 07/14/2020   19:06:36   (  68.85,-107.27) 07/14/2020   19:06:53  (  68.86,-107.34)    2.91                17
 07/14/2020   19:57:18   ( -68.75,  60.19) 07/14/2020   19:56:23  ( -68.76,  60.18)    1.62                55