Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 4.  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)
 06/06/2019   03:01:51   (  69.00, 133.50) 06/06/2019   03:03:02  (  68.93, 133.70)   10.50                71
 06/06/2019   03:52:30   ( -68.78, -58.87) 06/06/2019   03:52:33  ( -68.77, -58.87)    0.41                 3
 06/06/2019   04:43:13   (  68.61, 108.65) 06/06/2019   04:42:01  (  68.60, 108.56)    3.70                72
 06/08/2019   19:18:18   (  68.99,-110.60) 06/08/2019   19:19:30  (  68.95,-110.40)    9.32                72
 06/08/2019   20:08:57   ( -68.76,  57.03) 06/08/2019   20:09:01  ( -68.79,  57.04)    3.36                 4
 06/08/2019   20:59:41   (  68.66,-135.53) 06/08/2019   20:58:28  (  68.67,-135.47)    2.97                73
 06/11/2019   11:34:46   (  69.04,   5.21) 06/11/2019   11:35:58  (  68.96,   5.50)   14.17                72
 06/11/2019   12:25:24   ( -68.75, 172.93) 06/11/2019   12:25:30  ( -68.76, 172.87)    2.28                 6
 06/11/2019   13:16:08   (  68.66, -19.64) 06/11/2019   13:14:57  (  68.63, -19.63)    2.47                71
 06/14/2019   03:51:13   (  69.09, 121.03) 06/14/2019   03:52:24  (  69.03, 121.47)   18.71                71
 06/14/2019   04:41:51   ( -68.80, -71.25) 06/14/2019   04:41:57  ( -68.77, -71.23)    2.53                 6
 06/14/2019   05:32:34   (  68.65,  96.25) 06/14/2019   05:31:24  (  68.65,  96.26)    0.84                70
 06/16/2019   20:07:41   (  69.14,-123.16) 06/16/2019   20:08:52  (  69.05,-122.63)   23.57                71
 06/16/2019   20:58:18   ( -68.79,  44.64) 06/16/2019   20:58:25  ( -68.79,  44.68)    1.32                 7
 06/16/2019   21:49:01   (  68.65,-147.87) 06/16/2019   21:47:52  (  68.66,-147.84)    1.52                69