Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 3.  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)
 10/04/2019   16:12:27   ( -69.09, 115.60) 10/04/2019   16:13:38  ( -69.04, 116.06)   18.80                71
 10/04/2019   17:03:07   (  68.76, -76.64) 10/04/2019   17:03:08  (  68.77, -76.64)    1.25                 1
 10/04/2019   17:53:48   ( -68.65,  90.82) 10/04/2019   17:52:38  ( -68.66,  90.85)    1.49                70
 10/07/2019   08:28:55   ( -69.18,-128.64) 10/07/2019   08:30:06  ( -69.09,-128.00)   27.11                71
 10/07/2019   09:19:33   (  68.75,  39.25) 10/07/2019   09:19:37  (  68.76,  39.22)    1.36                 4
 10/07/2019   10:10:14   ( -68.64,-153.27) 10/07/2019   10:09:07  ( -68.65,-153.28)    1.18                67
 10/10/2019   00:45:22   ( -69.28, -12.88) 10/10/2019   00:46:33  ( -69.13, -12.07)   35.82                71
 10/10/2019   01:35:58   (  68.75, 155.15) 10/10/2019   01:36:05  (  68.74, 155.08)    2.79                 7
 10/10/2019   02:26:39   ( -68.63, -37.37) 10/10/2019   02:25:35  ( -68.64, -37.42)    2.12                64
 10/12/2019   17:01:49   ( -69.32, 102.94) 10/12/2019   17:03:00  ( -69.23, 103.93)   40.16                71
 10/12/2019   17:52:25   (  68.80, -89.03) 10/12/2019   17:52:33  (  68.78, -89.00)    2.76                 8
 10/12/2019   18:43:06   ( -68.67,  78.46) 10/12/2019   18:42:03  ( -68.68,  78.51)    1.98                63
 10/15/2019   09:18:17   ( -69.42,-141.31) 10/15/2019   09:19:27  ( -69.32,-140.08)   49.62                70
 10/15/2019   10:08:51   (  68.80,  26.86) 10/15/2019   10:09:01  (  68.81,  26.92)    2.50                10
 10/15/2019   10:59:32   ( -68.67,-165.64) 10/15/2019   10:58:32  ( -68.65,-165.64)    1.48                60