Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 17.  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)
 11/19/2019   05:42:24   (  68.82,  93.44) 11/19/2019   05:43:12  (  68.85,  93.47)    3.24                48
 11/19/2019   06:33:05   ( -68.67, -99.05) 11/19/2019   06:32:43  ( -68.69, -99.09)    2.59                22
 11/19/2019   07:23:32   (  67.68,  69.52) 11/19/2019   07:22:25  (  67.73,  67.42)   89.03                67
 11/21/2019   21:58:50   (  68.84,-150.69) 11/21/2019   21:59:41  (  68.81,-150.69)    3.14                51
 11/21/2019   22:49:31   ( -68.69,  16.83) 11/21/2019   22:49:11  ( -68.71,  16.82)    2.52                20
 11/21/2019   23:39:59   (  67.75,-174.67) 11/21/2019   23:38:52  (  67.81,-176.61)   81.99                67
 11/24/2019   14:15:14   (  68.80, -34.75) 11/24/2019   14:16:08  (  68.82, -34.79)    2.85                54
 11/24/2019   15:05:56   ( -68.70, 132.70) 11/24/2019   15:05:38  ( -68.72, 132.72)    2.56                18
 11/24/2019   15:56:26   (  67.88, -58.93) 11/24/2019   15:55:17  (  67.93, -60.59)   69.49                69
 11/27/2019   06:31:40   (  68.82,  81.12) 11/27/2019   06:32:36  (  68.83,  81.11)    1.47                56
 11/27/2019   07:22:22   ( -68.72,-111.43) 11/27/2019   07:22:06  ( -68.73,-111.38)    2.44                16
 11/27/2019   08:12:53   (  67.95,  56.88) 11/27/2019   08:11:44  (  68.00,  55.37)   62.83                69
 11/29/2019   22:48:06   (  68.83,-163.01) 11/29/2019   22:49:04  (  68.83,-163.00)    0.36                58
 11/29/2019   23:38:48   ( -68.73,   4.44) 11/29/2019   23:38:34  ( -68.74,   4.51)    2.56                14
 11/30/2019   00:29:20   (  68.02, 172.68) 11/30/2019   00:28:10  (  68.11, 171.39)   54.33                70