Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 11.  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)
 11/11/2019   04:53:07   (  68.78, 105.81) 11/11/2019   04:53:48  (  68.81, 105.78)    2.80                41
 11/11/2019   05:43:49   ( -68.69, -86.75) 11/11/2019   05:43:18  ( -68.70, -86.72)    2.00                31
 11/13/2019   21:09:33   (  68.80,-138.32) 11/13/2019   21:10:17  (  68.79,-138.37)    2.26                44
 11/13/2019   22:00:15   ( -68.70,  29.12) 11/13/2019   21:59:47  ( -68.69,  29.14)    2.06                28
 11/16/2019   13:25:58   (  68.82, -22.46) 11/16/2019   13:26:44  (  68.82, -22.44)    0.60                46
 11/16/2019   14:16:39   ( -68.67, 145.07) 11/16/2019   14:16:15  ( -68.67, 145.00)    2.67                24
 11/16/2019   15:07:04   (  67.57, -46.24) 11/16/2019   15:05:58  (  67.65, -48.56)   98.77                66
 11/19/2019   05:42:24   (  68.84,  93.41) 11/19/2019   05:43:12  (  68.84,  93.47)    2.63                48
 11/19/2019   06:33:05   ( -68.69, -99.07) 11/19/2019   06:32:43  ( -68.69, -99.08)    1.11                22
 11/19/2019   07:23:32   (  67.70,  69.50) 11/19/2019   07:22:25  (  67.73,  67.42)   87.87                67
 11/21/2019   21:58:49   (  68.81,-150.66) 11/21/2019   21:59:41  (  68.81,-150.68)    1.19                52
 11/21/2019   22:49:31   ( -68.71,  16.80) 11/21/2019   22:49:11  ( -68.72,  16.83)    1.72                20
 11/21/2019   23:39:59   (  67.78,-174.70) 11/21/2019   23:38:51  (  67.86,-176.55)   77.97                68
 11/24/2019   14:15:15   (  68.83, -34.79) 11/24/2019   14:16:09  (  68.83, -34.78)    1.16                54
 11/24/2019   15:05:56   ( -68.68, 132.73) 11/24/2019   15:05:40  ( -68.68, 132.67)    2.58                16
 11/24/2019   15:56:27   (  67.91, -58.97) 11/24/2019   15:55:18  (  67.94, -60.58)   67.13                69