Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 12.  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)
 11/13/2019   21:09:32   (  68.78,-138.30) 11/13/2019   21:10:16  (  68.80,-138.35)    2.42                44
 11/13/2019   22:00:14   ( -68.69,  29.14) 11/13/2019   21:59:46  ( -68.70,  29.16)    1.03                28
 11/16/2019   13:25:58   (  68.80, -22.43) 11/16/2019   13:26:44  (  68.83, -22.43)    2.90                46
 11/16/2019   14:16:40   ( -68.70, 145.02) 11/16/2019   14:16:15  ( -68.67, 145.01)    3.31                25
 11/16/2019   15:07:05   (  67.61, -46.28) 11/16/2019   15:05:58  (  67.66, -48.55)   96.12                67
 11/19/2019   05:42:24   (  68.82,  93.44) 11/19/2019   05:43:13  (  68.80,  93.41)    2.88                49
 11/19/2019   06:33:06   ( -68.72, -99.11) 11/19/2019   06:32:43  ( -68.70, -99.07)    2.66                23
 11/19/2019   07:23:32   (  67.68,  69.52) 11/19/2019   07:22:25  (  67.74,  67.43)   88.73                67
 11/21/2019   21:58:50   (  68.84,-150.70) 11/21/2019   21:59:41  (  68.81,-150.68)    3.03                51
 11/21/2019   22:49:31   ( -68.68,  16.83) 11/21/2019   22:49:12  ( -68.66,  16.77)    3.42                19
 11/21/2019   23:39:59   (  67.76,-174.67) 11/21/2019   23:38:52  (  67.81,-176.61)   81.51                67
 11/24/2019   14:15:14   (  68.81, -34.76) 11/24/2019   14:16:08  (  68.82, -34.78)    2.17                54
 11/24/2019   15:05:56   ( -68.70, 132.70) 11/24/2019   15:05:39  ( -68.68, 132.67)    3.20                17
 11/24/2019   15:56:26   (  67.89, -58.94) 11/24/2019   15:55:17  (  67.93, -60.58)   68.79                69