Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 14.  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)
 11/16/2019   13:25:58   (  68.79, -22.41) 11/16/2019   13:26:45  (  68.79, -22.48)    2.77                47
 11/16/2019   14:16:40   ( -68.69, 145.04) 11/16/2019   14:16:15  ( -68.69, 145.03)    0.59                25
 11/16/2019   15:07:05   (  67.59, -46.26) 11/16/2019   15:05:59  (  67.62, -48.59)   98.88                66
 11/19/2019   05:42:23   (  68.81,  93.46) 11/19/2019   05:43:12  (  68.80,  93.43)    1.20                49
 11/19/2019   06:33:05   ( -68.71, -99.09) 11/19/2019   06:32:42  ( -68.70, -99.07)    1.19                23
 11/19/2019   07:23:31   (  67.67,  69.54) 11/19/2019   07:22:24  (  67.75,  67.44)   89.17                67
 11/21/2019   21:58:49   (  68.83,-150.68) 11/21/2019   21:59:40  (  68.81,-150.68)    1.96                51
 11/21/2019   22:49:31   ( -68.73,  16.77) 11/21/2019   22:49:10  ( -68.72,  16.83)    2.88                21
 11/21/2019   23:39:59   (  67.80,-174.73) 11/21/2019   23:38:51  (  67.81,-176.60)   78.91                68
 11/24/2019   14:15:14   (  68.80, -34.75) 11/24/2019   14:16:08  (  68.81, -34.79)    2.11                54
 11/24/2019   15:05:56   ( -68.70, 132.71) 11/24/2019   15:05:38  ( -68.72, 132.72)    2.15                18
 11/24/2019   15:56:26   (  67.88, -58.93) 11/24/2019   15:55:17  (  67.92, -60.59)   69.57                69
 11/27/2019   06:31:40   (  68.83,  81.11) 11/27/2019   06:32:36  (  68.80,  81.09)    2.84                56
 11/27/2019   07:22:22   ( -68.73,-111.44) 11/27/2019   07:22:06  ( -68.71,-111.40)    2.18                16
 11/27/2019   08:12:53   (  67.96,  56.86) 11/27/2019   08:11:43  (  68.03,  55.42)   60.63                70