Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 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)
 06/11/2019   11:34:45   (  69.01,   5.26) 06/11/2019   11:35:57  (  68.96,   5.50)   10.88                72
 06/11/2019   12:25:24   ( -68.78, 172.89) 06/11/2019   12:25:28  ( -68.80, 172.92)    2.34                 4
 06/11/2019   13:16:07   (  68.62, -19.59) 06/11/2019   13:14:56  (  68.63, -19.64)    1.85                71
 06/14/2019   03:51:13   (  69.05, 121.08) 06/14/2019   03:52:24  (  69.01, 121.45)   15.50                71
 06/14/2019   04:41:51   ( -68.77, -71.21) 06/14/2019   04:41:57  ( -68.74, -71.26)    3.27                 6
 06/14/2019   05:32:34   (  68.62,  96.30) 06/14/2019   05:31:24  (  68.63,  96.24)    2.49                70
 06/16/2019   20:07:41   (  69.10,-123.10) 06/16/2019   20:08:52  (  69.01,-122.67)   20.10                71
 06/16/2019   20:58:18   ( -68.75,  44.69) 06/16/2019   20:58:25  ( -68.74,  44.62)    3.17                 7
 06/16/2019   21:49:01   (  68.61,-147.81) 06/16/2019   21:47:52  (  68.62,-147.88)    2.99                69
 06/19/2019   12:24:07   (  69.10,  -7.22) 06/19/2019   12:25:18  (  69.05,  -6.73)   19.83                71
 06/19/2019   13:14:45   ( -68.80, 160.52) 06/19/2019   13:14:51  ( -68.79, 160.56)    2.15                 6
 06/19/2019   14:05:28   (  68.66, -31.99) 06/19/2019   14:04:18  (  68.67, -31.94)    2.15                70
 06/22/2019   04:40:35   (  69.15, 108.60) 06/22/2019   04:41:46  (  69.04, 109.13)   24.51                71
 06/22/2019   05:31:12   ( -68.79, -83.59) 06/22/2019   05:31:19  ( -68.78, -83.57)    1.45                 7
 06/22/2019   06:21:55   (  68.66,  83.89) 06/22/2019   06:20:46  (  68.65,  83.92)    1.46                69
 06/24/2019   20:57:02   (  69.15,-135.51) 06/24/2019   20:58:13  (  69.08,-134.94)   24.28                71
 06/24/2019   21:47:39   ( -68.78,  32.31) 06/24/2019   21:47:47  ( -68.76,  32.30)    2.17                 8
 06/24/2019   22:38:22   (  68.66,-160.22) 06/24/2019   22:37:14  (  68.63,-160.22)    2.84                68