Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 28.  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)
 12/01/2020   04:40:57   (  69.16, 109.22) 12/01/2020   04:41:22  (  69.14, 109.27)    2.89                25
 12/01/2020   05:31:38   ( -69.01, -83.25) 12/01/2020   05:30:52  ( -69.03, -83.24)    1.92                46
 12/03/2020   20:57:18   (  69.13,-134.81) 12/03/2020   20:57:50  (  69.12,-134.87)    2.31                32
 12/03/2020   21:48:00   ( -69.04,  32.64) 12/03/2020   21:47:20  ( -69.02,  32.63)    2.26                40
 12/06/2020   13:13:40   (  69.16, -18.93) 12/06/2020   13:14:17  (  69.16, -18.94)    0.63                37
 12/06/2020   14:04:22   ( -69.07, 148.52) 12/06/2020   14:03:47  ( -69.05, 148.56)    2.02                35
 12/09/2020   05:30:02   (  69.19,  96.95) 12/09/2020   05:30:44  (  69.18,  96.97)    1.59                42
 12/09/2020   06:20:43   ( -69.04, -95.53) 12/09/2020   06:20:15  ( -69.03, -95.60)    3.48                28
 12/11/2020   21:46:22   (  69.18,-147.10) 12/11/2020   21:47:10  (  69.20,-147.12)    2.90                48
 12/11/2020   22:37:04   ( -69.08,  20.35) 12/11/2020   22:36:40  ( -69.10,  20.38)    2.72                24
 12/11/2020   23:27:30   (  68.05,-170.97) 12/11/2020   23:26:23  (  68.09,-173.22)   93.32                67