Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 15.  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   (  68.78, -22.41) 11/16/2019   13:26:45  (  68.79, -22.47)    2.78                47
 11/16/2019   14:16:40   ( -68.69, 145.04) 11/16/2019   14:16:15  ( -68.69, 145.03)    0.35                25
 11/16/2019   15:07:05   (  67.59, -46.26) 11/16/2019   15:05:59  (  67.62, -48.59)   98.73                66
 11/19/2019   05:42:23   (  68.80,  93.46) 11/19/2019   05:43:12  (  68.82,  93.44)    1.72                49
 11/19/2019   06:33:05   ( -68.71, -99.09) 11/19/2019   06:32:42  ( -68.72, -99.05)    2.15                23
 11/19/2019   07:23:31   (  67.67,  69.54) 11/19/2019   07:22:24  (  67.76,  67.45)   88.84                67
 11/21/2019   21:58:49   (  68.83,-150.68) 11/21/2019   21:59:40  (  68.84,-150.65)    1.95                51
 11/21/2019   22:49:30   ( -68.67,  16.85) 11/21/2019   22:49:11  ( -68.69,  16.79)    2.58                19
 11/21/2019   23:39:59   (  67.80,-174.72) 11/21/2019   23:38:51  (  67.84,-176.57)   77.95                68
 11/24/2019   14:15:14   (  68.80, -34.74) 11/24/2019   14:16:09  (  68.80, -34.81)    2.77                55
 11/24/2019   15:05:56   ( -68.70, 132.71) 11/24/2019   15:05:39  ( -68.70, 132.70)    1.05                17
 11/24/2019   15:56:26   (  67.88, -58.92) 11/24/2019   15:55:17  (  67.97, -60.54)   68.37                69
 11/27/2019   06:31:40   (  68.82,  81.12) 11/27/2019   06:32:37  (  68.81,  81.09)    1.52                57
 11/27/2019   07:22:22   ( -68.72,-111.43) 11/27/2019   07:22:07  ( -68.72,-111.40)    1.30                15
 11/27/2019   08:12:53   (  67.96,  56.87) 11/27/2019   08:11:44  (  68.03,  55.42)   60.99                69