Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 9.  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   11:34:46   (  69.03,   5.22) 06/11/2019   11:35:57  (  68.99,   5.54)   13.41                71
 06/11/2019   12:25:24   ( -68.75, 172.93) 06/11/2019   12:25:29  ( -68.77, 172.89)    2.82                 5
 06/11/2019   13:16:08   (  68.65, -19.63) 06/11/2019   13:14:56  (  68.66, -19.60)    1.59                72
 06/14/2019   03:51:13   (  69.08, 121.04) 06/14/2019   03:52:23  (  69.04, 121.48)   18.29                70
 06/14/2019   04:41:51   ( -68.79, -71.24) 06/14/2019   04:41:56  ( -68.77, -71.23)    2.47                 5
 06/14/2019   05:32:34   (  68.65,  96.26) 06/14/2019   05:31:23  (  68.65,  96.28)    1.14                71
 06/16/2019   20:07:40   (  69.08,-123.07) 06/16/2019   20:08:51  (  69.03,-122.65)   17.84                71
 06/16/2019   20:58:18   ( -68.78,  44.65) 06/16/2019   20:58:24  ( -68.76,  44.65)    2.07                 6
 06/16/2019   21:49:01   (  68.64,-147.85) 06/16/2019   21:47:51  (  68.64,-147.85)    0.10                70
 06/19/2019   12:24:08   (  69.13,  -7.26) 06/19/2019   12:25:18  (  69.07,  -6.71)   22.87                70
 06/19/2019   13:14:45   ( -68.77, 160.55) 06/19/2019   13:14:52  ( -68.75, 160.52)    2.92                 7
 06/19/2019   14:05:28   (  68.64, -31.97) 06/19/2019   14:04:19  (  68.63, -31.99)    1.98                69
 06/22/2019   04:40:35   (  69.13, 108.62) 06/22/2019   04:41:46  (  69.05, 109.14)   22.75                71
 06/22/2019   05:31:12   ( -68.77, -83.56) 06/22/2019   05:31:19  ( -68.79, -83.55)    2.06                 7
 06/22/2019   06:21:55   (  68.64,  83.92) 06/22/2019   06:20:46  (  68.66,  83.93)    2.10                69