Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 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)
 12/01/2020   04:40:57   (  69.12, 109.29) 12/01/2020   04:41:23  (  69.13, 109.26)    2.04                26
 12/01/2020   05:31:39   ( -69.02, -83.27) 12/01/2020   05:30:53  ( -69.02, -83.25)    0.81                46
 12/03/2020   20:57:18   (  69.14,-134.83) 12/03/2020   20:57:50  (  69.12,-134.88)    3.40                32
 12/03/2020   21:48:00   ( -69.05,  32.62) 12/03/2020   21:47:19  ( -69.06,  32.69)    3.24                41
 12/06/2020   13:13:40   (  69.17, -18.94) 12/06/2020   13:14:17  (  69.15, -18.95)    2.15                37
 12/06/2020   14:04:21   ( -69.02, 148.58) 12/06/2020   14:03:47  ( -69.05, 148.55)    2.85                34
 12/09/2020   05:30:02   (  69.20,  96.93) 12/09/2020   05:30:44  (  69.18,  96.97)    2.97                42
 12/09/2020   06:20:43   ( -69.06, -95.54) 12/09/2020   06:20:14  ( -69.08, -95.53)    2.35                29
 12/11/2020   21:46:23   (  69.18,-147.12) 12/11/2020   21:47:11  (  69.20,-147.12)    1.64                48
 12/11/2020   22:37:05   ( -69.09,  20.33) 12/11/2020   22:36:41  ( -69.10,  20.38)    2.03                24
 12/11/2020   23:27:31   (  68.06,-170.98) 12/11/2020   23:26:24  (  68.09,-173.22)   92.91                67