Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 4.  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)
 07/06/2020   17:26:47   ( -69.12,  97.32) 07/06/2020   17:27:58  ( -69.08,  97.66)   13.98                71
 07/06/2020   18:17:28   (  68.88, -95.04) 07/06/2020   18:17:27  (  68.86, -94.98)    3.30                 1
 07/06/2020   19:08:09   ( -68.74,  72.46) 07/06/2020   19:06:57  ( -68.76,  72.52)    2.86                72
 07/09/2020   09:43:14   ( -69.32,-147.05) 07/09/2020   09:44:25  ( -69.18,-146.33)   32.09                71
 07/09/2020   10:33:51   (  68.87,  20.88) 07/09/2020   10:33:56  (  68.85,  20.88)    3.15                 5
 07/09/2020   11:24:32   ( -68.73,-171.61) 07/09/2020   11:23:26  ( -68.74,-171.61)    1.65                66
 07/12/2020   01:59:40   ( -69.47, -31.35) 07/12/2020   02:00:50  ( -69.39, -30.18)   46.73                70
 07/12/2020   02:50:14   (  68.87, 136.80) 07/12/2020   02:50:24  (  68.88, 136.81)    1.53                10
 07/12/2020   03:40:55   ( -68.72, -55.68) 07/12/2020   03:39:55  ( -68.73, -55.75)    2.82                60
 07/14/2020   18:16:06   ( -69.67,  84.26) 07/14/2020   18:17:15  ( -69.53,  85.90)   65.31                69
 07/14/2020   19:06:36   (  68.87,-107.29) 07/14/2020   19:06:52  (  68.86,-107.33)    2.08                16
 07/14/2020   19:57:18   ( -68.77,  60.17) 07/14/2020   19:56:22  ( -68.76,  60.18)    0.51                56
 07/17/2020   10:32:33   ( -69.88,-160.13) 07/17/2020   10:33:40  ( -69.73,-157.95)   85.42                67
 07/17/2020   11:22:59   (  68.87,   8.63) 07/17/2020   11:23:20  (  68.89,   8.59)    3.08                21
 07/17/2020   12:13:41   ( -68.76, 176.09) 07/17/2020   12:12:51  ( -68.74, 176.03)    3.16                50