Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 7 8.  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)
 07/08/2019   06:19:19   (  69.35,  83.63) 07/08/2019   06:20:29  (  69.28,  84.75)   44.40                70
 07/08/2019   07:09:52   ( -68.77,-108.26) 07/08/2019   07:10:06  ( -68.79,-108.26)    1.56                14
 07/08/2019   08:00:35   (  68.64,  59.23) 07/08/2019   07:59:34  (  68.62,  59.18)    3.28                61
 07/10/2019   22:35:47   (  69.40,-160.56) 07/10/2019   22:36:57  (  69.29,-159.36)   48.61                70
 07/10/2019   23:26:19   ( -68.77,   7.63) 07/10/2019   23:26:34  ( -68.80,   7.64)    2.83                15
 07/11/2019   00:17:02   (  68.65, 175.11) 07/11/2019   00:16:02  (  68.63, 175.07)    2.74                60
 07/13/2019   14:52:15   (  69.46, -44.75) 07/13/2019   14:53:24  (  69.34, -43.41)   54.01                69
 07/13/2019   15:42:46   ( -68.77, 123.52) 07/13/2019   15:43:02  ( -68.80, 123.52)    3.09                16
 07/13/2019   16:33:29   (  68.65, -69.01) 07/13/2019   16:32:30  (  68.62, -69.05)    3.18                59
 07/16/2019   07:08:41   (  69.46,  71.13) 07/16/2019   07:09:50  (  69.39,  72.53)   55.26                69
 07/16/2019   07:59:12   ( -68.77,-120.59) 07/16/2019   07:59:29  ( -68.79,-120.61)    2.43                17
 07/16/2019   08:49:55   (  68.65,  46.88) 07/16/2019   08:48:56  (  68.67,  46.89)    2.34                59
 07/18/2019   23:25:09   (  69.51,-173.06) 07/18/2019   23:26:18  (  69.37,-171.61)   58.83                69
 07/19/2019   00:15:39   ( -68.77,  -4.71) 07/19/2019   00:15:57  ( -68.77,  -4.75)    1.65                18
 07/19/2019   01:06:22   (  68.65, 162.76) 07/19/2019   01:05:24  (  68.65, 162.75)    0.62                58
 07/21/2019   15:41:36   (  69.51, -57.18) 07/21/2019   15:42:45  (  69.40, -55.69)   59.44                69
 07/21/2019   16:32:07   ( -68.82, 111.11) 07/21/2019   16:32:24  ( -68.80, 111.18)    3.37                17
 07/21/2019   17:22:49   (  68.65, -81.35) 07/21/2019   17:21:51  (  68.68, -81.33)    3.35                58