Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 2.  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   ( -68.95, -18.36) 07/04/2020   01:11:32  ( -68.95, -18.40)    1.60                71
 07/04/2020   02:01:04   (  68.82, 149.13) 07/04/2020   02:00:59  (  68.84, 149.11)    2.38                 5
 07/04/2020   02:51:44   ( -68.63, -43.30) 07/04/2020   02:50:30  ( -68.67, -43.46)    8.44                74
 07/06/2020   17:26:47   ( -69.09,  97.35) 07/06/2020   17:27:59  ( -69.05,  97.61)   11.63                72
 07/06/2020   18:17:28   (  68.86, -95.01) 07/06/2020   18:17:27  (  68.88, -94.96)    3.01                 1
 07/06/2020   19:08:09   ( -68.72,  72.49) 07/06/2020   19:06:58  ( -68.72,  72.48)    0.79                71
 07/09/2020   09:43:14   ( -69.29,-147.02) 07/09/2020   09:44:25  ( -69.20,-146.31)   29.73                71
 07/09/2020   10:33:50   (  68.85,  20.91) 07/09/2020   10:33:55  (  68.86,  20.90)    1.09                 5
 07/09/2020   11:24:32   ( -68.76,-171.65) 07/09/2020   11:23:25  ( -68.76,-171.59)    2.26                67
 07/12/2020   01:59:40   ( -69.49, -31.39) 07/12/2020   02:00:50  ( -69.35, -30.23)   48.04                70
 07/12/2020   02:50:14   (  68.90, 136.76) 07/12/2020   02:50:23  (  68.89, 136.83)    2.79                 9
 07/12/2020   03:40:55   ( -68.74, -55.72) 07/12/2020   03:39:54  ( -68.74, -55.73)    0.56                61
 07/14/2020   18:16:06   ( -69.64,  84.31) 07/14/2020   18:17:15  ( -69.55,  85.92)   63.32                69
 07/14/2020   19:06:37   (  68.89,-107.32) 07/14/2020   19:06:52  (  68.87,-107.32)    2.13                15
 07/14/2020   19:57:19   ( -68.79,  60.14) 07/14/2020   19:56:22  ( -68.78,  60.20)    2.64                57