Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 29.  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)
 06/30/2019   05:29:57   (  69.23,  96.14) 06/30/2019   05:31:08  (  69.11,  96.88)   32.37                71
 06/30/2019   06:20:32   ( -68.77, -95.91) 06/30/2019   06:20:42  ( -68.78, -95.90)    1.36                10
 06/30/2019   07:11:15   (  68.64,  71.58) 06/30/2019   07:10:10  (  68.62,  71.53)    2.94                65
 07/02/2019   21:46:25   (  69.29,-148.06) 07/02/2019   21:47:36  (  69.17,-147.17)   37.60                71
 07/02/2019   22:36:59   ( -68.77,  19.98) 07/02/2019   22:37:11  ( -68.79,  19.98)    2.05                12
 07/02/2019   23:27:42   (  68.64,-172.54) 07/02/2019   23:26:39  (  68.62,-172.59)    3.28                63
 07/05/2019   14:02:53   (  69.40, -32.33) 07/05/2019   14:04:03  (  69.26, -31.17)   48.06                70
 07/05/2019   14:53:25   ( -68.77, 135.86) 07/05/2019   14:53:40  ( -68.77, 135.84)    1.21                15
 07/05/2019   15:44:08   (  68.64, -56.66) 07/05/2019   15:43:07  (  68.65, -56.67)    0.91                61
 07/08/2019   06:19:22   (  69.51,  83.40) 07/08/2019   06:20:31  (  69.38,  84.86)   59.17                69
 07/08/2019   07:09:52   ( -68.77,-108.25) 07/08/2019   07:10:10  ( -68.79,-108.27)    2.25                18
 07/08/2019   08:00:35   (  68.65,  59.22) 07/08/2019   07:59:37  (  68.67,  59.23)    1.90                58
 07/10/2019   22:35:51   (  69.63,-160.88) 07/10/2019   22:36:59  (  69.54,-159.05)   71.75                68
 07/10/2019   23:26:19   ( -68.77,   7.63) 07/10/2019   23:26:41  ( -68.79,   7.60)    1.89                22
 07/11/2019   00:17:02   (  68.66, 175.09) 07/11/2019   00:16:08  (  68.66, 175.09)    0.55                54