Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 16.  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)    2.80                47
 11/16/2019   14:16:40   ( -68.69, 145.03) 11/16/2019   14:16:15  ( -68.68, 145.02)    0.96                25
 11/16/2019   15:07:05   (  67.59, -46.26) 11/16/2019   15:05:59  (  67.62, -48.60)   98.91                66
 11/19/2019   05:42:24   (  68.80,  93.46) 11/19/2019   05:43:13  (  68.81,  93.43)    1.28                49
 11/19/2019   06:33:06   ( -68.71, -99.09) 11/19/2019   06:32:43  ( -68.71, -99.06)    1.20                23
 11/19/2019   07:23:31   (  67.67,  69.54) 11/19/2019   07:22:24  (  67.75,  67.44)   89.21                67
 11/21/2019   21:58:49   (  68.82,-150.67) 11/21/2019   21:59:40  (  68.83,-150.66)    0.52                51
 11/21/2019   22:49:31   ( -68.72,  16.78) 11/21/2019   22:49:10  ( -68.73,  16.84)    2.67                21
 11/21/2019   23:39:59   (  67.79,-174.72) 11/21/2019   23:38:51  (  67.82,-176.59)   78.76                68
 11/24/2019   14:15:15   (  68.84, -34.81) 11/24/2019   14:16:08  (  68.84, -34.77)    1.82                53
 11/24/2019   15:05:56   ( -68.69, 132.72) 11/24/2019   15:05:39  ( -68.68, 132.67)    1.92                17
 11/24/2019   15:56:26   (  67.87, -58.92) 11/24/2019   15:55:17  (  67.95, -60.57)   69.53                69
 11/27/2019   06:31:40   (  68.81,  81.13) 11/27/2019   06:32:36  (  68.84,  81.12)    3.19                56
 11/27/2019   07:22:22   ( -68.71,-111.42) 11/27/2019   07:22:07  ( -68.69,-111.43)    2.58                15
 11/27/2019   08:12:53   (  67.94,  56.88) 11/27/2019   08:11:44  (  68.01,  55.39)   62.71                69
 11/29/2019   22:48:06   (  68.83,-163.00) 11/29/2019   22:49:04  (  68.84,-162.99)    0.61                58
 11/29/2019   23:38:46   ( -68.68,   4.52) 11/29/2019   23:38:34  ( -68.69,   4.45)    2.96                12
 11/30/2019   00:29:19   (  68.02, 172.68) 11/30/2019   00:28:09  (  68.11, 171.40)   54.14                70