Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 24.  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)
 09/26/2019   15:23:06   ( -68.91, 128.18) 09/26/2019   15:24:15  ( -68.89, 128.24)    3.46                69
 09/26/2019   16:13:49   (  68.73, -64.28) 09/26/2019   16:13:43  (  68.73, -64.32)    1.74                 6
 09/26/2019   17:04:27   ( -68.48, 103.38) 09/26/2019   17:03:15  ( -68.51, 103.04)   14.34                72
 09/29/2019   07:39:31   ( -68.89,-115.91) 09/29/2019   07:40:43  ( -68.90,-115.87)    2.00                72
 09/29/2019   08:30:14   (  68.72,  51.63) 09/29/2019   08:30:11  (  68.74,  51.57)    2.91                 3
 09/29/2019   09:20:54   ( -68.56,-140.84) 09/29/2019   09:19:42  ( -68.57,-141.00)    6.39                72
 10/01/2019   23:56:00   ( -69.04,  -0.22) 10/01/2019   23:57:11  ( -68.97,   0.09)   14.45                71
 10/02/2019   00:46:41   (  68.76, 167.46) 10/02/2019   00:46:40  (  68.74, 167.45)    2.40                 1
 10/02/2019   01:37:22   ( -68.66, -25.08) 10/02/2019   01:36:10  ( -68.64, -25.04)    2.15                72
 10/04/2019   16:12:28   ( -69.13, 115.54) 10/04/2019   16:13:39  ( -69.03, 116.05)   22.66                71
 10/04/2019   17:03:07   (  68.76, -76.64) 10/04/2019   17:03:09  (  68.75, -76.67)    1.31                 2
 10/04/2019   17:53:48   ( -68.64,  90.83) 10/04/2019   17:52:39  ( -68.65,  90.84)    1.01                69
 10/07/2019   08:28:56   ( -69.22,-128.70) 10/07/2019   08:30:07  ( -69.09,-128.00)   31.07                71
 10/07/2019   09:19:33   (  68.75,  39.26) 10/07/2019   09:19:38  (  68.75,  39.22)    1.87                 5
 10/07/2019   10:10:14   ( -68.63,-153.26) 10/07/2019   10:09:08  ( -68.66,-153.27)    3.25                66