Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 5.  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)
 10/07/2019   08:28:55   ( -69.19,-128.65) 10/07/2019   08:30:06  ( -69.08,-128.02)   27.54                71
 10/07/2019   09:19:33   (  68.76,  39.25) 10/07/2019   09:19:37  (  68.75,  39.21)    1.78                 4
 10/07/2019   10:10:14   ( -68.64,-153.28) 10/07/2019   10:09:07  ( -68.64,-153.29)    0.88                67
 10/10/2019   00:45:22   ( -69.22, -12.81) 10/10/2019   00:46:34  ( -69.12, -12.09)   30.90                72
 10/10/2019   01:36:00   (  68.80, 155.08) 10/10/2019   01:36:05  (  68.79, 155.13)    3.00                 5
 10/10/2019   02:26:40   ( -68.63, -37.37) 10/10/2019   02:25:36  ( -68.62, -37.44)    2.63                64
 10/12/2019   17:01:49   ( -69.32, 102.95) 10/12/2019   17:03:00  ( -69.21, 103.91)   39.73                71
 10/12/2019   17:52:24   (  68.74, -88.95) 10/12/2019   17:52:33  (  68.76, -89.02)    3.29                 9
 10/12/2019   18:43:06   ( -68.67,  78.46) 10/12/2019   18:42:03  ( -68.66,  78.49)    1.80                63
 10/15/2019   09:18:17   ( -69.41,-141.30) 10/15/2019   09:19:27  ( -69.29,-140.11)   48.72                70
 10/15/2019   10:08:51   (  68.79,  26.87) 10/15/2019   10:09:01  (  68.79,  26.89)    1.06                10
 10/15/2019   10:59:32   ( -68.66,-165.63) 10/15/2019   10:58:31  ( -68.69,-165.60)    3.20                61
 10/18/2019   01:34:44   ( -69.46, -25.47) 10/18/2019   01:35:54  ( -69.37, -24.13)   53.59                70
 10/18/2019   02:25:17   (  68.79, 142.76) 10/18/2019   02:25:29  (  68.81, 142.79)    2.21                12
 10/18/2019   03:15:58   ( -68.65, -49.73) 10/18/2019   03:15:00  ( -68.66, -49.76)    1.27                58