Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 30.  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   (  69.15, 109.24) 12/01/2020   04:41:22  (  69.15, 109.29)    1.78                25
 12/01/2020   05:31:38   ( -69.00, -83.24) 12/01/2020   05:30:53  ( -68.98, -83.30)    3.03                45
 12/03/2020   20:57:18   (  69.12,-134.79) 12/03/2020   20:57:50  (  69.14,-134.85)    3.26                32
 12/03/2020   21:48:00   ( -69.02,  32.65) 12/03/2020   21:47:20  ( -69.03,  32.64)    0.61                40
 12/06/2020   13:13:40   (  69.14, -18.91) 12/06/2020   13:14:17  (  69.17, -18.92)    3.22                37
 12/06/2020   14:04:22   ( -69.05, 148.54) 12/06/2020   14:03:47  ( -69.07, 148.57)    2.06                35
 12/09/2020   05:30:01   (  69.17,  96.98) 12/09/2020   05:30:43  (  69.20,  96.99)    2.99                42
 12/09/2020   06:20:43   ( -69.08, -95.58) 12/09/2020   06:20:13  ( -69.09, -95.51)    3.18                30
 12/11/2020   21:46:23   (  69.20,-147.14) 12/11/2020   21:47:10  (  69.22,-147.10)    2.43                47
 12/11/2020   22:37:04   ( -69.06,  20.38) 12/11/2020   22:36:41  ( -69.06,  20.33)    1.92                23
 12/11/2020   23:27:30   (  68.02,-170.94) 12/11/2020   23:26:24  (  68.05,-173.26)   96.63                66