Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 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)
 09/29/2019   07:39:31   ( -68.89,-115.90) 09/29/2019   07:40:43  ( -68.90,-115.87)    1.73                72
 09/29/2019   08:30:15   (  68.76,  51.57) 09/29/2019   08:30:11  (  68.74,  51.57)    2.71                 4
 09/29/2019   09:20:54   ( -68.56,-140.83) 09/29/2019   09:19:42  ( -68.57,-141.00)    7.03                72
 10/01/2019   23:55:59   ( -68.98,  -0.14) 10/01/2019   23:57:11  ( -68.96,   0.08)    8.80                72
 10/02/2019   00:46:41   (  68.75, 167.47) 10/02/2019   00:46:40  (  68.74, 167.45)    1.68                 1
 10/02/2019   01:37:22   ( -68.65, -25.06) 10/02/2019   01:36:10  ( -68.63, -25.05)    2.08                72
 10/04/2019   16:12:27   ( -69.07, 115.63) 10/04/2019   16:13:39  ( -69.02, 116.03)   16.99                72
 10/04/2019   17:03:07   (  68.75, -76.62) 10/04/2019   17:03:09  (  68.74, -76.67)    2.13                 2
 10/04/2019   17:53:48   ( -68.63,  90.84) 10/04/2019   17:52:39  ( -68.63,  90.83)    0.75                69
 10/07/2019   08:28:54   ( -69.16,-128.61) 10/07/2019   08:30:06  ( -69.07,-128.02)   25.42                72
 10/07/2019   09:19:33   (  68.79,  39.20) 10/07/2019   09:19:36  (  68.79,  39.27)    2.53                 3
 10/07/2019   10:10:13   ( -68.62,-153.25) 10/07/2019   10:09:07  ( -68.63,-153.30)    2.31                66
 10/10/2019   00:45:22   ( -69.26, -12.86) 10/10/2019   00:46:33  ( -69.18, -12.01)   34.53                71
 10/10/2019   01:35:59   (  68.79, 155.10) 10/10/2019   01:36:05  (  68.78, 155.13)    1.44                 6
 10/10/2019   02:26:40   ( -68.66, -37.42) 10/10/2019   02:25:35  ( -68.68, -37.36)    3.07                65
 10/12/2019   17:01:50   ( -69.35, 102.90) 10/12/2019   17:03:00  ( -69.28, 104.00)   44.12                70
 10/12/2019   17:52:25   (  68.78, -89.01) 10/12/2019   17:52:34  (  68.77, -89.01)    1.46                 9
 10/12/2019   18:43:06   ( -68.65,  78.49) 10/12/2019   18:42:04  ( -68.67,  78.51)    2.35                62