Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 19.  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)
 06/19/2019   12:24:07   (  69.09,  -7.20) 06/19/2019   12:25:19  (  69.01,  -6.78)   18.94                72
 06/19/2019   13:14:45   ( -68.80, 160.51) 06/19/2019   13:14:51  ( -68.79, 160.57)    2.54                 6
 06/19/2019   14:05:28   (  68.65, -31.98) 06/19/2019   14:04:19  (  68.63, -31.99)    3.03                69
 06/22/2019   04:40:35   (  69.14, 108.61) 06/22/2019   04:41:46  (  69.06, 109.17)   23.81                71
 06/22/2019   05:31:12   ( -68.79, -83.59) 06/22/2019   05:31:19  ( -68.79, -83.55)    1.74                 7
 06/22/2019   06:21:55   (  68.65,  83.91) 06/22/2019   06:20:46  (  68.67,  83.96)    3.21                69
 06/24/2019   20:57:03   (  69.20,-135.58) 06/24/2019   20:58:13  (  69.11,-134.89)   28.86                70
 06/24/2019   21:47:39   ( -68.78,  32.30) 06/24/2019   21:47:47  ( -68.78,  32.33)    1.03                 8
 06/24/2019   22:38:22   (  68.65,-160.21) 06/24/2019   22:37:14  (  68.67,-160.17)    2.12                68
 06/27/2019   13:13:29   (  69.20, -19.69) 06/27/2019   13:14:40  (  69.10, -19.02)   28.72                71
 06/27/2019   14:04:05   ( -68.78, 148.20) 06/27/2019   14:04:14  ( -68.78, 148.20)    0.31                 9
 06/27/2019   14:54:48   (  68.65, -44.32) 06/27/2019   14:53:41  (  68.65, -44.30)    0.93                67
 06/30/2019   05:29:57   (  69.25,  96.12) 06/30/2019   05:31:07  (  69.14,  96.92)   33.90                70
 06/30/2019   06:20:32   ( -68.77, -95.91) 06/30/2019   06:20:42  ( -68.77, -95.92)    0.59                10
 06/30/2019   07:11:15   (  68.65,  71.56) 06/30/2019   07:10:09  (  68.64,  71.57)    1.07                66
 07/02/2019   21:46:24   (  69.25,-148.00) 07/02/2019   21:47:35  (  69.13,-147.22)   33.94                71
 07/02/2019   22:36:59   ( -68.77,  19.98) 07/02/2019   22:37:10  ( -68.76,  19.95)    1.65                11
 07/02/2019   23:27:42   (  68.65,-172.56) 07/02/2019   23:26:37  (  68.63,-172.57)    2.70                65