Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 5 31.  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)
 06/03/2019   10:45:23   (  68.95,  17.69) 06/03/2019   10:46:34  (  68.91,  17.79)    5.94                71
 06/03/2019   11:36:03   ( -68.79,-174.77) 06/03/2019   11:36:04  ( -68.81,-174.71)    3.27                 1
 06/03/2019   12:26:45   (  68.57,  -7.17) 06/03/2019   12:25:33  (  68.58,  -7.34)    7.16                72
 06/06/2019   03:01:51   (  68.99, 133.51) 06/06/2019   03:03:01  (  68.98, 133.76)   10.02                70
 06/06/2019   03:52:30   ( -68.77, -58.87) 06/06/2019   03:52:33  ( -68.76, -58.88)    0.91                 3
 06/06/2019   04:43:13   (  68.61, 108.66) 06/06/2019   04:42:00  (  68.65, 108.62)    4.43                73
 06/08/2019   19:18:18   (  68.98,-110.59) 06/08/2019   19:19:30  (  68.93,-110.43)    9.29                72
 06/08/2019   20:08:57   ( -68.75,  57.04) 06/08/2019   20:09:01  ( -68.77,  57.01)    2.25                 4
 06/08/2019   20:59:41   (  68.65,-135.52) 06/08/2019   20:58:28  (  68.65,-135.49)    1.18                73
 06/11/2019   11:34:46   (  69.03,   5.23) 06/11/2019   11:35:57  (  68.98,   5.53)   13.10                71
 06/11/2019   12:25:25   ( -68.79, 172.87) 06/11/2019   12:25:29  ( -68.77, 172.90)    2.30                 4
 06/11/2019   13:16:08   (  68.65, -19.63) 06/11/2019   13:14:56  (  68.65, -19.61)    0.83                72
 06/14/2019   03:51:13   (  69.08, 121.05) 06/14/2019   03:52:23  (  69.03, 121.47)   17.72                70
 06/14/2019   04:41:51   ( -68.78, -71.23) 06/14/2019   04:41:56  ( -68.77, -71.22)    0.81                 5
 06/14/2019   05:32:34   (  68.64,  96.27) 06/14/2019   05:31:23  (  68.65,  96.27)    0.69                71